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Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
We are grateful to NASA for the funding of this effort.
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Welcome to the RRUFF Project website containing an integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals. |
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Molybdenite RRUFF ID: R060124 |
Ideal Chemistry: Mo4+S2-2 |
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Locality: Crown Point mine, near Chelan, Washington, USA Source: University of Arizona Mineral Museum 11966 Owner: RRUFF Description: Steel gray distorted hexagonal tablet on quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Molybdenite (3) ] | ||||||||||
| Quick search: [ All Molybdenite samples (2) ] | ||||||||||
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Molybdenum RRUFF ID: R100216 |
Ideal Chemistry: Mo |
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Locality: Mining concentrate Source: Mike Carducci, Climax Molybdenum Technology Center Owner: RRUFF Description: Black unconsolidated powder Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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Molybdite RRUFF ID: R100217 |
Ideal Chemistry: Mo6+O3 |
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Locality: Mining concentrate Source: Mike Carducci, Climax Molybdenum Technology Center Owner: RRUFF Description: Gray unconsolidated powder Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Quick search: [ All Molybdite samples (2) ] | ||||||||||
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Molybdite RRUFF ID: R210024 |
Ideal Chemistry: Mo6+O3 |
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Locality: Kateřina Coal Mine, Radvanice, Trutnov District, Hradec Králové Region, Czech Republic Source: Bob Jenkins Owner: RRUFF Description: Well developed thin platy crystals Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Quick search: [ All Molybdite samples (2) ] | ||||||||||
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Molybdofornacite RRUFF ID: R061057 |
Ideal Chemistry: Cu2+Pb2+2Mo6+O4As5+O4(OH) |
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Locality: Mina Dulcinea, Carreras Pintos, Inca de Oro, Atacama Region, Chile Source: Bob Jenkins Owner: RRUFF Description: Apple green tabular crystals associated with yellow wulfenite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Fornacite (6) ] | ||||||||||
| Quick search: [ All Molybdofornacite samples (4) ] | ||||||||||
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Molybdofornacite RRUFF ID: R130755 |
Ideal Chemistry: Cu2+Pb2+2Mo6+O4As5+O4(OH) |
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Locality: 30 level South 110, Tsumeb, Namibia Source: Bill Pinch Owner: RRUFF Description: Pale green prismatic crystals associated with dioptase Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Fornacite (6) ] | ||||||||||
| Quick search: [ All Molybdofornacite samples (4) ] | ||||||||||
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Molybdofornacite RRUFF ID: R150121 |
Ideal Chemistry: Cu2+Pb2+2Mo6+O4As5+O4(OH) |
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Locality: San Pablo Mine, Inca de Oro, Chañaral Province, Chile Source: Bob Jenkins Owner: RRUFF Description: Tabular grass-green crystals, associated with wulfenite, malachite, and quartz Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Fornacite (6) ] | ||||||||||
| Quick search: [ All Molybdofornacite samples (4) ] | ||||||||||
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Molybdofornacite RRUFF ID: R150122 |
Ideal Chemistry: Cu2+Pb2+2Mo6+O4As5+O4(OH) |
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Locality: Dulcinea de Llampos Mine, Copiapó Province, Chile Source: Bob Jenkins Owner: RRUFF Description: Tabular olive-green crystals, associated with wulfenite and malachite. Note that the c-cell edge is half of what is usually reported. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Fornacite (6) ] | ||||||||||
| Quick search: [ All Molybdofornacite samples (4) ] | ||||||||||
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Molybdomenite RRUFF ID: R140388 |
Ideal Chemistry: Pb2+Se4+O3 |
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Locality: Virgen de Surumi mine, Pakajake Canyon, Chayanta Province, Potosí Department, Bolivia Source: Rock Currier Owner: RRUFF Description: Yellowish white tabular crystal with good cleavage, associated with calcite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Molybdophyllite RRUFF ID: R070222 |
Ideal Chemistry: Pb2+8Mg9[Si10O30(OH)8(CO3)3]·H2O |
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Locality: Langban, Filipstad, Varmland, Sweden Source: Michael Scott S100445 Owner: RRUFF Description: Colorless tabular crystals associated with hausmannite, with cell parameters that match the so-called molybdophyllite-18 phase (Kolitsch et al, 2012) Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Molybdophyllite (2) ] | ||||||||||
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Monazite-(Ce) RRUFF ID: R040106 |
Ideal Chemistry: Ce3+PO4 |
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Locality: Angola Source: University of Arizona Mineral Museum 5580 Owner: RRUFF Description: Brown massive fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Monazite (11) ] | ||||||||||
| Quick search: [ All Monazite-(Ce) samples (5) ] | ||||||||||
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Monazite-(Ce) RRUFF ID: X050118 |
Ideal Chemistry: Ce3+PO4 |
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Locality: unknown Source: Caltech Owner: Caltech Description: radioactive Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Monazite (11) ] | ||||||||||
| Quick search: [ All Monazite-(Ce) samples (5) ] | ||||||||||
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Monazite-(Ce) RRUFF ID: R060925 |
Ideal Chemistry: Ce3+PO4 |
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Locality: Siglo Veinte mine, Llallagua, Bustillos Province, Potosi Department, Bolivia Source: Alfredo Petrov Owner: RRUFF Description: Pale peach semi-transparent crystals associated with quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Monazite (11) ] | ||||||||||
| Quick search: [ All Monazite-(Ce) samples (5) ] | ||||||||||
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Monazite-(Ce) RRUFF ID: R120081 |
Ideal Chemistry: Ce3+PO4 |
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Locality: Hinman mine, Jefferson County, Colorado, USA Source: Rudy Bolona Owner: RRUFF Description: Reddish-brown massive Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Monazite (11) ] | ||||||||||
| Quick search: [ All Monazite-(Ce) samples (5) ] | ||||||||||
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Monazite-(Ce) RRUFF ID: R120146 |
Ideal Chemistry: Ce3+PO4 |
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Locality: Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan Source: Ikram Mineralogy Owner: RRUFF Description: Brown bladed crystals Status: The identification of this mineral has been determined by Raman spectroscopy and chemical analysis |
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| Mineral Group: [ Monazite (11) ] | ||||||||||
| Quick search: [ All Monazite-(Ce) samples (5) ] | ||||||||||
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Monazite-(La) RRUFF ID: R070263 |
Ideal Chemistry: LaPO4 |
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Locality: Bear Lodge, Bear Creek placers, First Choice District (Garnet District), Granite County, Montana, USA Source: Michael Scott S105570 Owner: RRUFF Description: Black polished surface Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Monazite (11) ] | ||||||||||
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Monetite RRUFF ID: R070259 |
Ideal Chemistry: Ca(PO3OH) |
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Locality: Paoha Island, Mono Lake, Mono County, California, USA Source: Michael Scott S101221 Owner: RRUFF Description: Fine-grained tan crust on white newberyite Status: The identification of this mineral is not yet confirmed. |
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Montebrasite RRUFF ID: R040060 |
Ideal Chemistry: LiAlPO4(OH) |
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Locality: Oxford County, Maine, USA Source: University of Arizona Mineral Museum 5573 Owner: RRUFF Description: White massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Montebrasite samples (4) ] | ||||||||||
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Montebrasite RRUFF ID: R040062 |
Ideal Chemistry: LiAlPO4(OH) |
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Locality: Hebron, Maine, USA Source: University of Arizona Mineral Museum 8239 Owner: RRUFF Description: White massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Montebrasite samples (4) ] | ||||||||||
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Montebrasite RRUFF ID: R050500 |
Ideal Chemistry: LiAlPO4(OH) |
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Locality: Pala, San Diego County, California, USA Source: California Institute of Technology W-40033 Owner: RRUFF Description: White fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Montebrasite samples (4) ] | ||||||||||
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Montebrasite RRUFF ID: R060890 |
Ideal Chemistry: LiAlPO4(OH) |
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Locality: Mount Marie, Paris, Maine, USA Source: Bob Jenkins Owner: RRUFF Description: Colorless massive Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Montebrasite samples (4) ] | ||||||||||
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Monteregianite-(Y) RRUFF ID: R080109 |
Ideal Chemistry: KNa2YSi8O19·5H2O |
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Locality: Mont Saint-Hilaire, Quebec, Canada Source: William W. Pinch Owner: RRUFF Description: Elongated cluster of grayish white fibers at the base of a cluster of terminated quartz crystals Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Rhodesite (5) ] | ||||||||||
| Quick search: [ All Monteregianite-(Y) samples (2) ] | ||||||||||
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Monteregianite-(Y) RRUFF ID: R130052 |
Ideal Chemistry: KNa2YSi8O19·5H2O |
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Locality: Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada Source: Don Doell Owner: RRUFF Description: Single bladed pale pink crystal, cell parameters are significantly different than those reported Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Rhodesite (5) ] | ||||||||||
| Quick search: [ All Monteregianite-(Y) samples (2) ] | ||||||||||
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Montgomeryite RRUFF ID: R070631 |
Ideal Chemistry: Ca4MgAl4(PO4)6(OH)4·12H2O |
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Locality: Tip Top mine, Custer County, South Dakota, USA Source: Dakota Matrix Minerals Owner: RRUFF Description: Translucent reddish orange tabular crystals associated with orthoclase. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Calcioferrite (6) ] | ||||||||||
| Quick search: [ All Montgomeryite samples (4) ] | ||||||||||
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Montgomeryite RRUFF ID: R080094 |
Ideal Chemistry: Ca4MgAl4(PO4)6(OH)4·12H2O |
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Locality: Turó de Montcada, Montcada i Reixac, Barcelona, Catalonia, Spain Source: Joan Abella i Creus Owner: RRUFF Description: Lime green clusters of flattened laths with poor crystallinity Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Calcioferrite (6) ] | ||||||||||
| Quick search: [ All Montgomeryite samples (4) ] | ||||||||||
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Montgomeryite RRUFF ID: R140625 |
Ideal Chemistry: Ca4MgAl4(PO4)6(OH)4·12H2O |
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Locality: Near Milgun Station, Meekatharra Shire, Western Australia, Australia Source: Rock Currier Owner: RRUFF Description: Colorless lathy crystals with striation along the elongated direction. Associated with gordonite (R130671), collinsite (R140626), and hydroxylapatite (R140987). Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Calcioferrite (6) ] | ||||||||||
| Quick search: [ All Montgomeryite samples (4) ] | ||||||||||
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Montgomeryite RRUFF ID: R140664 |
Ideal Chemistry: Ca4MgAl4(PO4)6(OH)4·12H2O |
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Locality: Foote Mineral Company mine, Kings Mountain, North Carolina, USA Source: Rock Currier Owner: RRUFF Description: Radial aggregates of colorless, bladed to platy crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Calcioferrite (6) ] | ||||||||||
| Quick search: [ All Montgomeryite samples (4) ] | ||||||||||
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Monticellite RRUFF ID: R040115 |
Ideal Chemistry: CaMgSiO4 |
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Locality: Magnet Cove, Arkansas, USA Source: University of Arizona Mineral Museum 4337 Owner: RRUFF Description: Brown blebs in matrix Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Monticellite samples (4) ] | ||||||||||
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Monticellite RRUFF ID: R100106 |
Ideal Chemistry: CaMgSiO4 |
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Locality: Crestmore, Riverside County, California, USA Source: American Museum of Natural History 27907 Owner: RRUFF Description: Colorless to light gray translucent crystals associated with pale yellow vesuvianite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Monticellite samples (4) ] | ||||||||||
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Monticellite RRUFF ID: R100107 |
Ideal Chemistry: CaMgSiO4 |
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Locality: Crestmore, Riverside County, California, USA Source: American Museum of Natural History 31975 Owner: RRUFF Description: White to dirty-white massive Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Monticellite samples (4) ] | ||||||||||
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Monticellite RRUFF ID: R100108 |
Ideal Chemistry: CaMgSiO4 |
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Locality: Oka, Deux-montagnes County, Quebec, Canada Source: American Museum of Natural History 29740 Owner: RRUFF Description: Pale brown transparent fragment Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Monticellite samples (4) ] | ||||||||||
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Montmorillonite RRUFF ID: R110052 |
Ideal Chemistry: (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O |
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Locality: Santa Rita, New Mexico, USA Source: Ward's Natural Science Establishment, Inc. No. 11 Owner: RRUFF Description: Unconsolidated grains Status: The identification of this mineral has been confirmed only by X-ray diffraction |
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| Mineral Groups: [ Clay (86) ] [ Smectite-vermiculite (7) ] | ||||||||||
| Quick search: [ All Montmorillonite samples (2) ] | ||||||||||
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Montmorillonite RRUFF ID: R110053 |
Ideal Chemistry: (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O |
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Locality: Chambers, Arizona, USA Source: Ward's Natural Science Establishment, Inc. No. 23 Owner: RRUFF Description: Tan colored consolidated powder Status: The identification of this mineral has been confirmed only by X-ray diffraction |
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| Mineral Groups: [ Clay (86) ] [ Smectite-vermiculite (7) ] | ||||||||||
| Quick search: [ All Montmorillonite samples (2) ] | ||||||||||
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Montroseite RRUFF ID: R060576 |
Ideal Chemistry: (V3+,Fe2+,V4+)O(OH) |
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Locality: Number Mesa 5 mine, Temple Mountain, Emery County, Utah, USA Source: Michael Scott S100805 Owner: RRUFF Description: Steel gray, submetallic, massive Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Diaspore (11) ] | ||||||||||
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Montroydite RRUFF ID: R070235 |
Ideal Chemistry: Hg2+O |
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Locality: Clear Creek claim, southern San Benito County, California, USA Source: Michael Scott S100156 Owner: RRUFF Description: Red prismatic crystal with quartz, cinnabar and greenish yellow edgarbaileyite, R060500 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Montroydite samples (2) ] | ||||||||||
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Montroydite RRUFF ID: R140877 |
Ideal Chemistry: Hg2+O |
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Locality: Terlingua, Texas, USA Source: Tom Loomis Owner: RRUFF Description: Red crystals with good cleavage, associated with yellow terlinguaite (R130878). Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Montroydite samples (2) ] | ||||||||||
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Mooreite RRUFF ID: R060089 |
Ideal Chemistry: Mg15(S6+O4)2(OH)26·8H2O |
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Locality: Sterling Hill, New Jersey, USA Source: University of Arizona Mineral Museum 9916 Owner: RRUFF Description: Tan fragment showing well-developed cleavage Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Moorhouseite RRUFF ID: R130745 |
Ideal Chemistry: Co2+S6+O4·6H2O |
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Locality: Bou Azer, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco Source: Donald Doell Owner: RRUFF Description: Light-pinkish fine grains, associated with pink or dark pink spherocobaltite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Hexahydrite (4) ] | ||||||||||
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Mopungite RRUFF ID: R140229 |
Ideal Chemistry: NaSb5+(OH)6 |
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Locality: Desert Peak, Nevada, USA Source: Rock Currier Owner: RRUFF Description: Colorless or pale yellow tabular or prismatic crystals, associated with yellowish cervantite Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Perovskite (44) ] | ||||||||||
| Quick search: [ All Mopungite samples (2) ] | ||||||||||
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Mopungite RRUFF ID: R220042 |
Ideal Chemistry: NaSb5+(OH)6 |
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Locality: Pereta mine, Tuscany, Italy Source: Erica Bittarello Owner: Erica Bittarello Description: Well-shaped tabular and pseudocubic colourless and milky white crystals. Described in Bittarello et al (2015) Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Perovskite (44) ] | ||||||||||
| Quick search: [ All Mopungite samples (2) ] | ||||||||||
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Moraesite RRUFF ID: R060876 |
Ideal Chemistry: Be2PO4(OH)·4H2O |
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Locality: Galileia, Minas Gerais, Brazil Source: Bob Jenkins Owner: RRUFF Description: Colorless to tan fibrous crystals associated with beryllonite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Moraesite samples (2) ] | ||||||||||
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Moraesite RRUFF ID: R070480 |
Ideal Chemistry: Be2PO4(OH)·4H2O |
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Locality: Itinga, Minas Gerais, Brazil Source: Bob Jenkins Owner: RRUFF Description: Unconsolidated colorless flat fragments Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Quick search: [ All Moraesite samples (2) ] | ||||||||||
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Mordenite RRUFF ID: R061118 |
Ideal Chemistry: (Na2,Ca,K2)4(Al8Si40)O96·28H2O |
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Locality: Chipman's Brook, Nova Scotia, Canada Source: Michael Scott S103493 Owner: RRUFF Description: Water worn white pebbles Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Mordenite (4) ] | ||||||||||
| Quick search: [ All Mordenite samples (2) ] | ||||||||||
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Mordenite RRUFF ID: R070524 |
Ideal Chemistry: (Na2,Ca,K2)4(Al8Si40)O96·28H2O |
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Locality: Calapooya River, near Dollar, Linn County, Oregon, USA Source: James Shigley Owner: RRUFF Description: Aggregates of fine white fibers Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Mordenite (4) ] | ||||||||||
| Quick search: [ All Mordenite samples (2) ] | ||||||||||
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Morinite RRUFF ID: R070529 |
Ideal Chemistry: NaCa2Al2(PO4)2(OH)F4·2H2O |
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Locality: Hugo mine, Keystone, Pennington County, South Dakota, USA Source: James Shigley Owner: RRUFF Description: Pale purple massive associated with white fluorapatite and colorless augelite Status: The identification of this mineral is not yet confirmed. |
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Mosandrite-(Ce) RRUFF ID: R100097 |
Ideal Chemistry: (Ca3Ce3+)[(H2O)2Ca0.5◻0.5]Ti4+(Si2O7)2(OH)2(H2O)2 |
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Locality: Granite Mountain #2 Quarry, Arkansas, USA Source: Henry Barwood Owner: RRUFF Description: Isolated yellowish-brown prismatic crystals in feldspar, associated with dark-green epidote, dark-brown astrophyllite, colorless fluorapatite, pinkish fluorite, and pale yellow monazite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Mosandrite (2) ] | ||||||||||
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Mosesite RRUFF ID: R180030 |
Ideal Chemistry: (Hg2+2N3-)Cl |
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Locality: Terlingua, Brewster Co., Texas, USA Source: Tom Loomis Owner: RRUFF Description: Aggregates of granular yellow crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Mottramite RRUFF ID: R050517 |
Ideal Chemistry: Pb2+Cu2+V5+O4(OH) |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: University of Arizona Mineral Museum 10865 Owner: RRUFF Description: Coating of green prismatic crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ descloizite (10) ] | ||||||||||
| Quick search: [ All Mottramite samples (3) ] | ||||||||||
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Mottramite RRUFF ID: R050521 |
Ideal Chemistry: Pb2+Cu2+V5+O4(OH) |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: University of Arizona Mineral Museum 11083 Owner: RRUFF Description: Green tubular sprays Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ descloizite (10) ] | ||||||||||
| Quick search: [ All Mottramite samples (3) ] | ||||||||||
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Mottramite RRUFF ID: R120112 |
Ideal Chemistry: Pb2+Cu2+V5+O4(OH) |
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Locality: Copperopolis, Yavapai County, Arizona, USA Source: Joe Ruiz Owner: RRUFF Description: Radial sprays of yellow transparent needles, variety duhamelite; associated with goethite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ descloizite (10) ] | ||||||||||
| Quick search: [ All Mottramite samples (3) ] | ||||||||||
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Motukoreaite RRUFF ID: R070337 |
Ideal Chemistry: Mg6Al3(OH)18[Na(H2O)6](S6+O4)2·6H2O |
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Locality: Motukorea (Brown's Island), near Auckland, New Zealand Source: Michael Scott S100081 Owner: RRUFF Description: Very pale yellow cement to microcrystalline Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Woodwardite (5) ] | ||||||||||
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Mozartite RRUFF ID: R070265 |
Ideal Chemistry: CaMn3+SiO4(OH) |
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Locality: Wessels mine, Kalahari Manganese Field, South Africa Source: Michael Scott S106023 Owner: RRUFF Description: Red to very dark red short prismatic striated crystals associated with datolite, calcite, hausmannite, and pectolite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Adelite (19) ] | ||||||||||
| Quick search: [ All Mozartite samples (2) ] | ||||||||||
)
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Mozartite RRUFF ID: R180002 |
Ideal Chemistry: CaMn3+SiO4(OH) |
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Locality: N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa Source: Ludi von Bezing Owner: RRUFF Description: Red granular or pseudo-rhombohedral crystals, associated with colorless elongated celestine, calcite, and quartz (two pieces) Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Adelite (19) ] | ||||||||||
| Quick search: [ All Mozartite samples (2) ] | ||||||||||
)
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Muirite RRUFF ID: R150098 |
Ideal Chemistry: Ba10Ca2Mn2+Ti4+Si10O30(OH)10 |
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Locality: Esquire No. 7 mine, Big Creek, Fresno County, California, USA Source: James Shigley Owner: RRUFF Description: Isolated orange granular crystals, associated with quartz and sanbornite. Note that the c-cell edge is doubled relative to the literature Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Muirite samples (3) ] | ||||||||||
)
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Muirite RRUFF ID: R120160 |
Ideal Chemistry: Ba10Ca2Mn2+Ti4+Si10O30(OH)10 |
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Locality: Gun Claim, MacMillian Pass, Itsy Mts, Watson Lake Mining District, Yukon Territory, Canada Source: Donald Doell Owner: RRUFF Description: Orange-red massive, associated with colorless sanbornite with good cleavage, diopside, and witherite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Muirite samples (3) ] | ||||||||||
)
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Muirite RRUFF ID: R140248 |
Ideal Chemistry: Ba10Ca2Mn2+Ti4+Si10O30(OH)10 |
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Locality: Esquire No. 7 Claim, Big Creek, Fresno County, California, USA Source: Rock Currier Owner: RRUFF Description: Scattered orange grains and aggregates associated with taramellite, walstromite and sanbornite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Muirite samples (3) ] | ||||||||||
)
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Mullite RRUFF ID: R141101 |
Ideal Chemistry: Al4+2xSi2-2xO10-x (x ≈ 0.4) |
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Locality: Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany Source: Ch. and H. Schäfer Owner: RRUFF Description: Violet acicular crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Mullite samples (3) ] | ||||||||||
)
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Mullite RRUFF ID: R141103 |
Ideal Chemistry: Al4+2xSi2-2xO10-x (x ≈ 0.4) |
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Locality: Weinberg, Nickenich, Eifel, Germany Source: Ch. and H. Schäfer Owner: RRUFF Description: White acicular crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Mullite samples (3) ] | ||||||||||
)
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Mullite RRUFF ID: R150147 |
Ideal Chemistry: Al4+2xSi2-2xO10-x (x ≈ 0.4) |
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Locality: Northwest of Ormsaig, Ross of Mull, Scotland Source: Nicolas Bost, Portion of a sample from the Musée de Minéralogie MINES Paristech, Paris, France, # Owner: Nicolas Bost Description: Pink grains. Sample used in Bost et al (2016) Status: The identification of this mineral is confirmed by NMR |
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| Quick search: [ All Mullite samples (3) ] | ||||||||||
)
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Munakataite RRUFF ID: R110005 |
Ideal Chemistry: Pb2+2Cu2+2(Se4+O3)S6+O4(OH)4 |
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Locality: Tonopah-Belmont mine, Maricopa County, Arizona, USA Source: Marcus Origlieri Owner: RRUFF Description: Blue acicular to prismatic crystals with tapering terminations, associated with brochantite and cerussite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Linarite (8) ] | ||||||||||
| Quick search: [ All Munakataite samples (3) ] | ||||||||||
)
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Munakataite RRUFF ID: R110006 |
Ideal Chemistry: Pb2+2Cu2+2(Se4+O3)S6+O4(OH)4 |
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Locality: Tonopah-Belmont mine, Maricopa County, Arizona, USA Source: Marcus Origlieri Owner: RRUFF Description: Jackstraw aggregate of blue bladed crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Linarite (8) ] | ||||||||||
| Quick search: [ All Munakataite samples (3) ] | ||||||||||
)
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Munakataite RRUFF ID: R150128 |
Ideal Chemistry: Pb2+2Cu2+2(Se4+O3)S6+O4(OH)4 |
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Locality: Tsumeb mine, Tsumeb, Namibia Source: Shields Flynn Owner: RRUFF Description: Sprays of pale blue acicular crystals, associated with mimetite, smithsonite and quartz Status: unconfirmed |
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| Mineral Group: [ Linarite (8) ] | ||||||||||
| Quick search: [ All Munakataite samples (3) ] | ||||||||||
)
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Murdochite RRUFF ID: R110122 |
Ideal Chemistry: Cu2+12Pb4+2O15Cl2 |
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Locality: Mapimi, Mexico Source: Rob Lavinsky Owner: RRUFF Description: Coating of black cubes Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Murdochite (3) ] | ||||||||||
| Quick search: [ All Murdochite samples (2) ] | ||||||||||
)
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Murdochite RRUFF ID: R180001 |
Ideal Chemistry: Cu2+12Pb4+2O15Cl2 |
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Locality: Mammoth mine, Tiger, Pinal County, Arizona, USA Source: UA Mineral Museum 5279 Owner: UA Mineral Museum Description: Black octahedral or cubo-octahedral crystals, associated with green prismatic dioptase Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Murdochite (3) ] | ||||||||||
| Quick search: [ All Murdochite samples (2) ] | ||||||||||
)
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Murmanite RRUFF ID: R060886 |
Ideal Chemistry: Na2Ti4+2Na2Ti4+2(Si2O7)2O4(H2O)4 |
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Locality: Lovozero Massif, Kola Peninsula, Russia Source: Bob Jenkins Owner: RRUFF Description: Lilac lamellar aggregate Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Epistolite (9) ] | ||||||||||
| Quick search: [ All Murmanite samples (2) ] | ||||||||||
)
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Murmanite RRUFF ID: R110202 |
Ideal Chemistry: Na2Ti4+2Na2Ti4+2(Si2O7)2O4(H2O)4 |
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Locality: Kvanefjeld Mt., Kuannersuit plateau, Ilimaussaq complex, Narsaq, Kitaa Province, Greenland Source: Donald Doell Owner: RRUFF Description: Pink plates frozen in matrix Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Epistolite (9) ] | ||||||||||
| Quick search: [ All Murmanite samples (2) ] | ||||||||||
)
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Murphyite RRUFF ID: R210011 |
Ideal Chemistry: Pb2+(Te6+O4) |
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Locality: Grand Central mine, Tombstone, Arizona, USA Source: Bruce Murphy Owner: RRUFF Description: Colorless prismatic crystals, associated with chlorargyrite, emmonsite, ottoite, stolzite, scheelite, schieffelinite, quartz, and jarosite. Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Raspite (3) ] | ||||||||||
)
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Muscovite RRUFF ID: R040104 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: unknown Source: University of Arizona Mineral Museum 8520 Owner: RRUFF Description: Dark green hexagonal tablet Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R040108 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: USSR Source: University of Arizona Mineral Museum 9528 Owner: RRUFF Description: Dark green hexagonal tablet Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R040124 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: Garnet Hill, Pennsylvania, USA Source: Bob Downs Owner: RRUFF Description: Grayish green mica book Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R050080 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: Brazil Source: Rock Currier Owner: RRUFF Description: Tan colored micaceous crystals of 2M1 polytype Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R050188 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: Sapinero, near Blue Mesa Reservoir, Gunnison County, Colorado, USA Source: Dave Bunk Minerals Owner: RRUFF Description: Black pseudohexagonal crystal, polytype 2M1, associated with quartz Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R050198 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: California, USA Source: University of Arizona Mineral Museum 8433 Owner: RRUFF Description: Micaceous aggregate, polytype 2M1 Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
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Muscovite RRUFF ID: X050119 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: Blue Lady mine, Chihuahua Valley, San Diego County, California, USA Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R060182 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: Reliance mine, Mica Mountain, Tete Juane Cache, British Columbia, Canada Source: Lloyd Twaites Owner: RRUFF Description: Pale-yellow transparent mica, polytype 2M1 Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R060266 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: Bolet, Vasterbotten, Sweden Source: Michael Scott S100304 Owner: RRUFF Description: Pink earthy massive Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R061120 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: Aracuai City, Minas Gerais, Brazil Source: Michael Scott S103197 Owner: RRUFF Description: Lavender prismatic micaceous crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Muscovite RRUFF ID: R100147 |
Ideal Chemistry: KAl2(Si3Al)O10(OH)2 |
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Locality: Blue Mountain Quarry, Methuen Township, Petersborough County, Ontario, Canada Source: Mineralogical Museum, Harvard University 103128 Owner: RRUFF Description: Book of brown mica Status: The identification of this mineral is not yet confirmed. |
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| Mineral Groups: [ mica (50) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Muscovite samples (11) ] | ||||||||||
)
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Mushistonite RRUFF ID: R060153 |
Ideal Chemistry: Cu2+Sn4+(OH)6 |
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Locality: Ping Wu, Xuebaoding, Sichuan, China Source: Marcus Origlieri Owner: RRUFF Description: Yellow fine-grained earthy aggregate with green acicular malachite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Perovskite (44) ] | ||||||||||
)
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Nabokoite RRUFF ID: R070062 |
Ideal Chemistry: Cu2+7Te4+O4(S6+O4)5·KCl |
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Locality: Tolbachik Volcano, Kamchatka, Russia Source: Michael Scott S105083 Owner: RRUFF Description: Brown thin tabular plates, co-type material Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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)
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Nacrite RRUFF ID: R100066 |
Ideal Chemistry: Al2Si2O5(OH)4 |
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Locality: Geisberg, Schweighausen, Black Forest, Germany Source: Bob Jenkins Owner: RRUFF Description: Stacks of parallel pseudohexagonal white plates Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ Clay (86) ] [ Kaolinite (7) ] | ||||||||||
)
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Nadorite RRUFF ID: R050523 |
Ideal Chemistry: Pb2+Sb3+O2Cl |
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Locality: Constantine, Algeria Source: University of Arizona Mineral Museum 3045 Owner: RRUFF Description: Brown adamantine fragments Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Nadorite (3) ] | ||||||||||
| Quick search: [ All Nadorite samples (2) ] | ||||||||||
)
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Nadorite RRUFF ID: R050525 |
Ideal Chemistry: Pb2+Sb3+O2Cl |
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Locality: Langban, Filipstad, Varmland, Sweden Source: University of Arizona Mineral Museum 3046 Owner: RRUFF Description: Pale yellow platy group Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Nadorite (3) ] | ||||||||||
| Quick search: [ All Nadorite samples (2) ] | ||||||||||
)
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Nagelschmidtite RRUFF ID: R070032 |
Ideal Chemistry: Ca7(SiO4)2(PO4)2 |
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Locality: Hatrurium Formation, Negev Desert, southern Israel Source: Michael Scott S105080 Owner: RRUFF Description: Status: The identification of this mineral is not yet confirmed. |
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)
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Nagyágite RRUFF ID: R060723 |
Ideal Chemistry: [Pb(Pb,Sb)S2][(Au,Te)] |
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Locality: Nagyag, Romania Source: Bob Jenkins Owner: RRUFF Description: Dark grey metallic tabular crystal Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Nagyágite samples (2) ] | ||||||||||
)
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Nagyágite RRUFF ID: R060865 |
Ideal Chemistry: [Pb(Pb,Sb)S2][(Au,Te)] |
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Locality: Nagyog, Transylvania Source: Michael Scott S100867 Owner: RRUFF Description: Black vitreous massive Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Nagyágite samples (2) ] | ||||||||||
)
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Nahcolite RRUFF ID: R070237 |
Ideal Chemistry: NaHCO3 |
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Locality: Bureau of Mines Oil Shale Mine, East Rifle Creek area, Garfield County, Colorado, USA Source: Michael Scott S105046 Owner: RRUFF Description: Clear, colorless to brownish, massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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)
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Nakauriite RRUFF ID: R060842 |
Ideal Chemistry: Cu2+8(S6+O4)4(CO3)(OH)6·48H2O |
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Locality: Gabbs, Nevada, USA Source: Bob Jenkins Owner: RRUFF Description: Spray of blue fibers Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Nakauriite samples (2) ] | ||||||||||
)
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Nakauriite RRUFF ID: R060976 |
Ideal Chemistry: Cu2+8(S6+O4)4(CO3)(OH)6·48H2O |
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Locality: Nakauri mine, Aichi Prefecture, Japan Source: Michael Scott S101440 Owner: RRUFF Description: Deep sky blue to white acicular crystals in serpentinite. Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Nakauriite samples (2) ] | ||||||||||
)
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Nalivkinite RRUFF ID: R070219 |
Ideal Chemistry: Li2NaFe2+7Ti4+2(Si4O12)2O2(OH)4F(H2O)2 |
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Locality: Dara-i-Pioz (Darai-Piez) Glacier, Alayskiy (Alai; Alay) Range, South Tien-Shan Mts, Garm region, Districts of the Republican Subordination, Tajikistan Source: Michael Scott S100429 Owner: RRUFF Description: Light brown platy crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ astrophyllite (11) ] [ Astrophyllite (5) ] | ||||||||||
)
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Namansilite RRUFF ID: R070006 |
Ideal Chemistry: NaMn3+Si2O6 |
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Locality: Hoskins mine, near Grenfell, New South Wales, Australia Source: Marcus Origlieri Owner: RRUFF Description: Dark red granular, associated with ungarettiite, R050244 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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)
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Nambulite RRUFF ID: R060616 |
Ideal Chemistry: LiMn2+4Si5O14(OH) |
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Locality: Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia Source: Michael Scott S100824 Owner: RRUFF Description: Pink colored fragment of a single crystal associated with gypsum Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Rhodonite (16) ] | ||||||||||
)
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Namibite RRUFF ID: R060782 |
Ideal Chemistry: Cu2+(Bi3+O)2V5+O4(OH) |
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Locality: Khorixas, Darmaraland, Namibia Source: Michael Scott S101297 Owner: RRUFF Description: Dark green irregularly formed crystals associated with quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Namibite samples (2) ] | ||||||||||
)
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Namibite RRUFF ID: R100182 |
Ideal Chemistry: Cu2+(Bi3+O)2V5+O4(OH) |
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Locality: Copperopolis, Yavapai County, Arizona, USA Source: Joe Ruiz Owner: RRUFF Description: Clusters of dark green thin tabular crystals on matrix Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Namibite samples (2) ] | ||||||||||
)
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Namuwite RRUFF ID: R130173 |
Ideal Chemistry: Zn2+4S6+O4(OH)6·4H2O |
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Locality: Trentini mine, Schio, Vincenza, Italy Source: Donald Doell (small piece), Rock Currier (large piece) Owner: RRUFF Description: Very pale-green platy crystals, associated with colorless gypsum and green ramsbeckite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Ktenasite (6) ] | ||||||||||
)
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Narsarsukite RRUFF ID: R060203 |
Ideal Chemistry: Na2(Ti4+,Fe3+)Si4(O,F)11 |
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Locality: Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M41218 Owner: RRUFF Description: Light tan colored transparent fragment Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Narsarsukite samples (2) ] | ||||||||||
)
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Narsarsukite RRUFF ID: R060217 |
Ideal Chemistry: Na2(Ti4+,Fe3+)Si4(O,F)11 |
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Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M31995 Owner: RRUFF Description: Tan to green tetragonal prisms Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Quick search: [ All Narsarsukite samples (2) ] | ||||||||||
)
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Natanite RRUFF ID: R100016 |
Ideal Chemistry: Fe2+Sn4+(OH)6 |
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Locality: Level 10 silicate body, El Potosi mine, Santa Eulalia, Chihuahua, Mexico Source: William Pinch Owner: RRUFF Description: Orange octahedron, associated with black ilvaite, colorless fluorite, calcite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Perovskite (44) ] | ||||||||||
)
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Natroalunite RRUFF ID: R060406 |
Ideal Chemistry: NaAl3(S6+O4)2(OH)6 |
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Locality: Sugar Loaf Butte, Arizona, USA Source: American Museum of Natural History 28347 Owner: RRUFF Description: Tan colored consolidated powder Status: The identification of this mineral has been confirmed only by X-ray diffraction |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
)
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Natroboltwoodite RRUFF ID: R060880 |
Ideal Chemistry: Na(U6+O2)(SiO3OH)·H2O |
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Locality: Alluaiv Mountain, Lovozero, Russia Source: Michael Scott S100960 Owner: RRUFF Description: Pale yellow massive, X-ray diffraction indicates that this is amorphous Status: The identification of this mineral is not yet confirmed. |
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