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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The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.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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Holtite RRUFF ID: R061049 |
Ideal Chemistry: (Ta0.6◻0.4)Al6BSi3O18 |
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Locality: Kola Peninsula, U.S.S.R. Source: Michael Scott S100998 Owner: RRUFF Description: Blocky crystals; as pseudohexagonal elongated needles, light buff to cream-buff or deep olive-buff in color. Crystals are twinned by a 2-fold rotation around [010]. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Dumortierite (5) ] | ||||||||||
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Holtstamite RRUFF ID: R170001 |
Ideal Chemistry: Ca3Al2(SiO4)2(OH)4 |
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Locality: Wessels mine, Kalahari manganese field, South Africa Source: Paul Botha Owner: RRUFF Description: Yellow to brownish-yellow granular crystals, associate with Mn-rich vesuvianite, calcite, and henritermierite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ garnet (97) ] | ||||||||||
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Hopeite RRUFF ID: R050254 |
Ideal Chemistry: Zn2+3(PO4)2·4H2O |
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Locality: Broken Hill mine, Kabwe, Zambia Source: Marcus Origlieri Owner: RRUFF Description: Reddish-orange tabular single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Hopeite (2) ] | ||||||||||
| Quick search: [ All Hopeite samples (2) ] | ||||||||||
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Hopeite RRUFF ID: R130562 |
Ideal Chemistry: Zn2+3(PO4)2·4H2O |
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Locality: Broken Hill mine, Kabwe, Zambia Source: Eric van Valkenburg Owner: RRUFF Description: Colorless fragment Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Hopeite (2) ] | ||||||||||
| Quick search: [ All Hopeite samples (2) ] | ||||||||||
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Hörnesite RRUFF ID: R060724 |
Ideal Chemistry: Mg3(As5+O4)2·8H2O |
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Locality: Huercal Overa, Almeria Province, Spain Source: Bob Jenkins Owner: RRUFF Description: Stellate aggregate of pearly white bladed crystals associated with green conichalcite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Vivianite (17) ] | ||||||||||
| Quick search: [ All Hörnesite samples (2) ] | ||||||||||
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Hörnesite RRUFF ID: R070336 |
Ideal Chemistry: Mg3(As5+O4)2·8H2O |
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Locality: Ayers, Val d' Anniviers, Wallis, Switzerland Source: Michael Scott S101269 Owner: RRUFF Description: Radiating aggregates of white fibrous crystals Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Vivianite (17) ] | ||||||||||
| Quick search: [ All Hörnesite samples (2) ] | ||||||||||
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Howardevansite RRUFF ID: R130739 |
Ideal Chemistry: NaCu2+Fe3+2(V5+O4)3 |
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Locality: 'Y' Fumerol, Izalco Volcano, Sonsonate Department, El Salvador Source: Rock Currier Owner: RRUFF Description: Black granular or tabular crystals embeded in thénardite, associated with black bladed or prismatic lyonsite. Crystal is twinned by a 2-fold rotation about [-1 -1 1]. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Howardevansite (1) ] | ||||||||||
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Howieite RRUFF ID: R060031 |
Ideal Chemistry: Na(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10 |
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Locality: Laytonville quarry, near Longvale, California, USA Source: University of Arizona Mineral Museum 5923 Owner: RRUFF Description: Black bladed crystals associated with quartz and siderite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Howieite samples (2) ] | ||||||||||
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Howieite RRUFF ID: R061009 |
Ideal Chemistry: Na(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10 |
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Locality: Quarry on north side of U.S. 101, 5 miles south of Laytonville, Mendocino County, California, USA Source: Michael Scott S101047 Owner: RRUFF Description: Dark brown bladed crystals in plumose aggregates Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Quick search: [ All Howieite samples (2) ] | ||||||||||
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Howlite RRUFF ID: R050588 |
Ideal Chemistry: Ca2B5SiO9(OH)5 |
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Locality: Lake Bras d'Or, Iona, Cape Breton Island, Victoria County, Nova Scotia, Canada Source: Rock Currier Owner: RRUFF Description: Group of tan colored tabular to prismatic single crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Howlite samples (2) ] | ||||||||||
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Howlite RRUFF ID: R110150 |
Ideal Chemistry: Ca2B5SiO9(OH)5 |
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Locality: Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada Source: Donald M Doell and Brian Roulston Owner: RRUFF Description: Colorless bladed crystals, extracted by dissolving the matrix of sylvite/halite, associated with strontioginorite R110149, volkovskite R110151, ruitenbergite R110152, congolite R110153, and hilgardite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Howlite samples (2) ] | ||||||||||
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Hsianghualite RRUFF ID: R060722 |
Ideal Chemistry: Li2Ca3(BeSiO4)3F2 |
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Locality: Xianghualing mine near Zenzhou, Hunan Province, China Source: Bob Jenkins and George Guanghua Liu Owner: RRUFF Description: Colorless rounded crystals and fragments Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Analcime (11) ] | ||||||||||
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Hubeite RRUFF ID: R060964 |
Ideal Chemistry: Ca2Mn2+Fe3+Si4O12(OH)·2H2O |
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Locality: Fengjiashan mine, Daye, Hubei Province, China Source: Michael Scott S101379 Owner: RRUFF Description: Dark brown thin bladed crystals coated with fluorapophyllite, on quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Hübnerite RRUFF ID: R050069 |
Ideal Chemistry: Mn2+W6+O4 |
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Locality: Yaogangxian, Yizhang County, Hunan Province, China Source: Rock Currier Owner: RRUFF Description: Black colored prismatic single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Hübnerite samples (4) ] | ||||||||||
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Hübnerite RRUFF ID: R050139 |
Ideal Chemistry: Mn2+W6+O4 |
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Locality: Pasto Bueno District, Pallasca Province, Ancash Department, Peru Source: Dave Bunk Minerals Owner: RRUFF Description: Black tabular crystals associated with quartz Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Hübnerite samples (4) ] | ||||||||||
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Hübnerite RRUFF ID: R050556 |
Ideal Chemistry: Mn2+W6+O4 |
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Locality: Pasto Bueno, Ancash Department, Peru Source: Dave Bunk Minerals Owner: RRUFF Description: Blackish brown bladed crystal associated with quartz Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Hübnerite samples (4) ] | ||||||||||
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Hübnerite RRUFF ID: R060900 |
Ideal Chemistry: Mn2+W6+O4 |
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Locality: near Kara-Oba Deposit, Kazakhstan Source: Michael Scott S100974 Owner: RRUFF Description: Very dark red single crystal Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Hübnerite samples (4) ] | ||||||||||
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Huemulite RRUFF ID: R170005 |
Ideal Chemistry: Na4Mg[V5+10O28]·24H2O |
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Locality: Burro Mine, West Workings, Slick Rock District, San Miguel County, Colorado, USA Source: Bob Jenkins Owner: RRUFF Description: Status: unconfirmed |
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| Mineral Group: [ Pascoite (5) ] | ||||||||||
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Hughesite RRUFF ID: R130080 |
Ideal Chemistry: Na3Al[V5+10O28]·22H2O |
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Locality: Sunday mine, Gypsum Valley, San Miguel County, Slick Rock District, Colorado, USA Source: John Rakovan Owner: National Museum of Natural History of the Smithsonian Institution Description: Orange to golden orange crystals in efflorescent crusts. Data from Rakovan et al (2011) Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Pascoite (5) ] | ||||||||||
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Hulsite RRUFF ID: R070453 |
Ideal Chemistry: Fe2+2Fe3+O2(BO3) |
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Locality: Titovskoye B deposit, Tas-Khayakhtakh Range, Polar Yakutia, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia Source: Michael Scott S102349 Owner: RRUFF Description: Aggregate of sub-metallic black platy material Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Hulsite (4) ] | ||||||||||
| Quick search: [ All Hulsite samples (3) ] | ||||||||||
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Hulsite RRUFF ID: R070537 |
Ideal Chemistry: Fe2+2Fe3+O2(BO3) |
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Locality: Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA Source: James Shigley Owner: RRUFF Description: Submetallic black platy crystals Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Hulsite (4) ] | ||||||||||
| Quick search: [ All Hulsite samples (3) ] | ||||||||||
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Hulsite RRUFF ID: R130016 |
Ideal Chemistry: Fe2+2Fe3+O2(BO3) |
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Locality: Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA Source: Robert Lavinsky Owner: RRUFF Description: Blocky black crystals, associated with diopside, dolomite, pale yellow vesuvianite, and nordenskiöldine, R130017 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Hulsite (4) ] | ||||||||||
| Quick search: [ All Hulsite samples (3) ] | ||||||||||
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Humberstonite RRUFF ID: R060718 |
Ideal Chemistry: K3Na7Mg2(S6+O4)6(N5+O3)2·6H2O |
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Locality: Officina Alemania, Antofagasta Province, Chile Source: Bob Jenkins Owner: RRUFF Description: Mass of colorless grains Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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Humboldtine RRUFF ID: R130689 |
Ideal Chemistry: Fe2+(C2)6+O4·2H2O |
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Locality: Minas Gerais, Brazil Source: Bob Jenkins Owner: RRUFF Description: Yellow prismatic, associated with tourmaline and quartz Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Groups: [ Humboldtine (3) ] [ Oxalate (13) ] | ||||||||||
| Quick search: [ All Humboldtine samples (2) ] | ||||||||||
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Humboldtine RRUFF ID: R170002 |
Ideal Chemistry: Fe2+(C2)6+O4·2H2O |
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Locality: Zomba, Malawi Source: Donald Doell Owner: RRUFF Description: Small yellow granular to short prismatic crystals with good cleavage on aegirine, associated with albite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Humboldtine (3) ] [ Oxalate (13) ] | ||||||||||
| Quick search: [ All Humboldtine samples (2) ] | ||||||||||
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Humite RRUFF ID: R040071 |
Ideal Chemistry: Mg7(SiO4)3F2 |
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Locality: Tilly Foster mine, Brewster, Putnam County, New York, USA Source: University of Arizona Mineral Museum 2227 Owner: RRUFF Description: Red crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Humite (21) ] | ||||||||||
| Quick search: [ All Humite samples (2) ] | ||||||||||
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Humite RRUFF ID: R050665 |
Ideal Chemistry: Mg7(SiO4)3F2 |
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Locality: Tilly Foster mine, Brewster, Putnam County, New York, USA Source: University of Arizona Mineral Museum Owner: RRUFF Description: Granular aggregate of reddish-orange crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Humite (21) ] | ||||||||||
| Quick search: [ All Humite samples (2) ] | ||||||||||
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Hummerite RRUFF ID: R070450 |
Ideal Chemistry: K2Mg2[V5+10O28]·16H2O |
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Locality: Hummer mine, Jo Dandy mine (Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose County, Colorado, USA Source: Michael Scott S100599 Owner: RRUFF Description: Bright orange coarse grains, some showing tabular crystal forms Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Pascoite (5) ] | ||||||||||
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Huntite RRUFF ID: R040126 |
Ideal Chemistry: CaMg3(CO3)4 |
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Locality: Crestmore Quarry, Riverside County, California, USA Source: University of Arizona Mineral Museum 8731 Owner: RRUFF Description: White fine-grained massive 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) ] | ||||||||||
| Quick search: [ All Huntite samples (2) ] | ||||||||||
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Huntite RRUFF ID: P000080 |
Ideal Chemistry: CaMg3(CO3)4 |
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Locality: Virtual Source: ScottLab P000080 Owner: Mike Scott Description: PURPLE OpenSource 20190319 Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Huntite samples (2) ] | ||||||||||
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Hureaulite RRUFF ID: R070452 |
Ideal Chemistry: Mn2+5(PO4)2(PO3OH)2·4H2O |
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Locality: Tip Top mine, Fourmile, Custer District, Custer County, South Dakota, USA Source: Michael Scott S102347 Owner: RRUFF Description: Massive coarse pink granular Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Hureaulite (4) ] | ||||||||||
| Quick search: [ All Hureaulite samples (2) ] | ||||||||||
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Hureaulite RRUFF ID: R090070 |
Ideal Chemistry: Mn2+5(PO4)2(PO3OH)2·4H2O |
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Locality: Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais Brazil Source: Royal Ontario Museum M54960 Owner: RRUFF Description: Cluster of pink prismatic crystals on reddingite, R090069, associated with colorless ludlamite, R090071 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Hureaulite (4) ] | ||||||||||
| Quick search: [ All Hureaulite samples (2) ] | ||||||||||
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Hurlbutite RRUFF ID: R070612 |
Ideal Chemistry: CaBe2P2O8 |
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Locality: Viitaniemi, Erajarvi, Orivesi, Etela-Suomen Laani, Finland Source: James Shigley Owner: RRUFF Description: Light brown, massive, associated with beryllonite, hydroxylherderite, and apatite. The hurlbutite is very fine-grained holding the other coarser mineral fragments in place. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Danburite (6) ] | ||||||||||
| Quick search: [ All Hurlbutite samples (2) ] | ||||||||||
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Hurlbutite RRUFF ID: R090048 |
Ideal Chemistry: CaBe2P2O8 |
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Locality: Smith mine, Chandler's Mill, Newport, New Hampshire Source: University of Arizona Mineral Museum 1636 Owner: RRUFF Description: Colorless glassy grains in matrix, associated with, and hard to visually distinguish from quartz Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Danburite (6) ] | ||||||||||
| Quick search: [ All Hurlbutite samples (2) ] | ||||||||||
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Hutchinsonite RRUFF ID: R060789 |
Ideal Chemistry: Pb2+Tl1+As3+5S2-9 |
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Locality: Peru Source: Michael Scott S101056 Owner: RRUFF Description: Deep red acicular crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Huttonite RRUFF ID: X050103 |
Ideal Chemistry: Th4+SiO4 |
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Locality: synthetic, grown by Boatner 1963 Source: Caltech Owner: Caltech Description: Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Monazite (11) ] | ||||||||||
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Hydroboracite RRUFF ID: R060713 |
Ideal Chemistry: CaMg[B3O4(OH)3]2·3H2O |
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Locality: Sijes, Salta Province, Argentina Source: Bob Jenkins Owner: RRUFF Description: Divergent groups of colorless bladed crystals that lie somewhat parallel with each other Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Hydroboracite samples (2) ] | ||||||||||
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Hydroboracite RRUFF ID: R060866 |
Ideal Chemistry: CaMg[B3O4(OH)3]2·3H2O |
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Locality: Thompson mine, Death Valley, California, USA Source: Michael Scott S101002 Owner: RRUFF Description: Tuft of colorless slender prismatic crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Hydroboracite samples (2) ] | ||||||||||
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Hydrocerussite RRUFF ID: R160062 |
Ideal Chemistry: Pb2+3(CO3)2(OH)2 |
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Locality: Tiger, Pinal County, Arizona, USA Source: University of Arizona Mineral Museum 12 Owner: University of Arizona Mineral Museum Description: Colorless massive crystals, associated with pale bluish leadhillite and colorless susannite. Both leadhillite and susannite show good cleavage. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Hydrocerussite samples (3) ] | ||||||||||
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Hydrocerussite RRUFF ID: R070059 |
Ideal Chemistry: Pb2+3(CO3)2(OH)2 |
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Locality: Wanlockhead, Scotland Source: William W. Pinch Owner: RRUFF Description: Aggregates of colorless thin hexagonal plates, likely a pseudomorph after plumbonacrite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Hydrocerussite samples (3) ] | ||||||||||
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Hydrocerussite RRUFF ID: R080104 |
Ideal Chemistry: Pb2+3(CO3)2(OH)2 |
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Locality: St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona Source: Evan Jones Owner: RRUFF Description: Colorless pyramidal crystals associated with diaboleite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Quick search: [ All Hydrocerussite samples (3) ] | ||||||||||
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Hydrokenoelsmoreite RRUFF ID: R061044 |
Ideal Chemistry: ◻2W6+2O6(H2O) |
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Locality: Hemerdon mine, Sparkwell, Plympton, Devon, England Source: Michael Scott S101387 Owner: RRUFF Description: Pale orange crust on ferberite with quartz Status: The identification of this mineral is not yet confirmed. |
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| Mineral Groups: [ pyrochlore (28) ] [ Elsmoreite (2) ] | ||||||||||
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Hydrokenoralstonite RRUFF ID: R060012 |
Ideal Chemistry: ◻2Al2F6(H2O) |
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Locality: Ivigtut, Greenland Source: University of Arizona Mineral Museum 2884 Owner: RRUFF Description: Colorless octahedral ralstonite stained with iron oxide, associated with thomsenolite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ pyrochlore (28) ] | ||||||||||
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Hydromagnesite RRUFF ID: R060011 |
Ideal Chemistry: Mg5(CO3)4(OH)2·4H2O |
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Locality: Paradise Range, Nye County, Nevada, USA Source: University of Arizona Mineral Museum 5218 Owner: RRUFF Description: Colorless bladed crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Hydromagnesite samples (2) ] | ||||||||||
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Hydromagnesite RRUFF ID: R220007 |
Ideal Chemistry: Mg5(CO3)4(OH)2·4H2O |
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Locality: Correc d'en Llinassos, Oms, Céret, Pyrénées-Orientales, Occitanie, France Source: Joan Rosell-Riba, Jordi Ibáñez (Geo3Bcn-CSIC), Tariq Jawhari (CCiTUB) Owner: Joan Rosell-Riba Description: White spherical aggregates, SEM-EDS analysis indicates only Mg Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Hydromagnesite samples (2) ] | ||||||||||
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Hydroniumjarosite RRUFF ID: R060402 |
Ideal Chemistry: (H3O)Fe3+3(S6+O4)2(OH)6 |
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Locality: Cyprus, Greece Source: American Museum of Natural History 21997 Owner: RRUFF Description: Tan colored consolidated powder Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
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Hydropyrochlore RRUFF ID: R060980 |
Ideal Chemistry: (H2O,◻)2Nb5+2(O,OH)6(H2O) |
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Locality: Lueshe mine, Kivu, Democratic Republic of the Congo Source: Bob Jenkins Owner: RRUFF Description: Pale green octahedron Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ pyrochlore (28) ] [ Pyrochlore (4) ] | ||||||||||
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Hydroromarchite RRUFF ID: R090060 |
Ideal Chemistry: Sn2+3O2(OH)2 |
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Locality: Hooggenoeg Fm., Barberton Greenstone Belt, South Africa Source: Joe Zullo S1 SA526-1 Owner: RRUFF Description: Pale tan tetragonal single crystal Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Hydrotalcite RRUFF ID: R050457 |
Ideal Chemistry: Mg6Al2CO3(OH)16(H2O)4 |
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Locality: Snarum, Norway Source: University of Arizona Mineral Museum 2896 Owner: RRUFF Description: Pearly-white foliated mass Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
| Quick search: [ All Hydrotalcite samples (2) ] | ||||||||||
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Hydrotalcite RRUFF ID: R060527 |
Ideal Chemistry: Mg6Al2CO3(OH)16(H2O)4 |
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Locality: Jacupiranga Pegmatite, Sao Paulo State, Brazil Source: Michael Scott S100217 Owner: RRUFF Description: Orange hexagonal prisms topped with steep pyramids. 2H polytype Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
| Quick search: [ All Hydrotalcite samples (2) ] | ||||||||||
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Hydrotungstite RRUFF ID: R120058 |
Ideal Chemistry: W6+O2(OH)2·H2O |
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Locality: Mundo Nuevo, La Libertad, Peru Source: Bob Jenkins Owner: RRUFF Description: Greenish yellow cubes, associated with ferberite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Hydroxyapophyllite-(K) RRUFF ID: R050169 |
Ideal Chemistry: KCa4Si8O20(OH)·8H2O |
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Locality: Christmas mine, Christmas, Gila County, Arizona, USA Source: Marcus Origlieri Owner: RRUFF Description: Colorless prismatic crystals associated with kinoite, R050168 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Apophyllite (7) ] | ||||||||||
| Quick search: [ All Hydroxyapophyllite-(K) samples (2) ] | ||||||||||
)
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Hydroxyapophyllite-(K) RRUFF ID: R110121 |
Ideal Chemistry: KCa4Si8O20(OH)·8H2O |
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Locality: Kandivali quarry, Malad (near Poona), Marashtra State, India Source: Marcus Origlieri Owner: RRUFF Description: White to colorless prismatic crystals on a basalt matrix Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Apophyllite (7) ] | ||||||||||
| Quick search: [ All Hydroxyapophyllite-(K) samples (2) ] | ||||||||||
)
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Hydroxycalciomicrolite RRUFF ID: R130269 |
Ideal Chemistry: Ca1.5Ta5+2O6(OH) |
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Locality: Volta Grande, Minas Gerais, Brazil Source: Marcelo Andrade Owner: RRUFF Description: Yellow dodecahedra and octahedra, type sample Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ pyrochlore (28) ] [ microlite (15) ] | ||||||||||
)
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Hydroxykenoelsmoreite RRUFF ID: R200006 |
Ideal Chemistry: (◻,Pb2+)2(W6+,Fe3+,Al)2(O,OH)6(OH) |
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Locality: A small prospect, 1.5 miles NW of the Vulture mine, Vulture Mountains, Maricopa County, Arizona, USA. Source: Bob Jenkins Owner: RRUFF Description: Dark red granular crystals, 0.01 to 0.05 mm in size, associated with wulfenite and powellite. Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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)
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Hydroxykenomicrolite RRUFF ID: R061058 |
Ideal Chemistry: (◻,Na,Sb3+)2Ta5+2O6(OH) |
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Locality: Mt. Vasin-Myl'k, Voron'ya Tundra, Russia Source: Michael Scott S100986 Owner: RRUFF Description: Grayish adamantine grains (orange under long wave ultraviolet light) intimately associated with simpsonite (bluish white in SW UV). Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Groups: [ pyrochlore (28) ] [ microlite (15) ] | ||||||||||
)
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Hydroxylapatite RRUFF ID: R050512 |
Ideal Chemistry: Ca5(PO4)3OH |
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Locality: Moneta Island, Mayeguez, Puerto Rico, USA Source: American Museum of Natural History 15214 Owner: RRUFF Description: Pale pink consolidated powder Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Apatite (56) ] | ||||||||||
| Quick search: [ All Hydroxylapatite samples (4) ] | ||||||||||
)
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Hydroxylapatite RRUFF ID: R060180 |
Ideal Chemistry: Ca5(PO4)3OH |
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Locality: Holly Springs, Georgia, USA Source: Julian Gray Owner: RRUFF Description: Tan colored nodule in talc schist associated with serpentinite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Apatite (56) ] | ||||||||||
| Quick search: [ All Hydroxylapatite samples (4) ] | ||||||||||
)
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Hydroxylapatite RRUFF ID: R100225 |
Ideal Chemistry: Ca5(PO4)3OH |
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Locality: Sapo mine, Goiabeira, Minas Gerais, Brazil Source: Luiz Menezes Owner: RRUFF Description: Green hexagonal dipyramids Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Apatite (56) ] | ||||||||||
| Quick search: [ All Hydroxylapatite samples (4) ] | ||||||||||
)
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Hydroxylapatite RRUFF ID: R130713 |
Ideal Chemistry: Ca5(PO4)3OH |
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Locality: Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa Source: Robert Lavinsky Owner: RRUFF Description: Transparent pale green hexagonal tablets Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Apatite (56) ] | ||||||||||
| Quick search: [ All Hydroxylapatite samples (4) ] | ||||||||||
)
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Hydroxylbastnäsite-(Ce) RRUFF ID: R060283 |
Ideal Chemistry: Ce3+CO3(OH) |
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Locality: Trimouns, Luzenac, France Source: Herb Obodda 084 Owner: RRUFF Description: Brown hexagonal tablet Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Bastnasite (7) ] | ||||||||||
)
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Hydroxylclinohumite RRUFF ID: R060291 |
Ideal Chemistry: Mg9(SiO4)4(OH)2 |
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Locality: Koksha Valley, Badakshan Province, Afghanistan Source: Herb Obodda 097 Owner: RRUFF Description: Deep red tabular crystal Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Group: [ Humite (21) ] | ||||||||||
)
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Hydroxylellestadite RRUFF ID: R060769 |
Ideal Chemistry: Ca5(SiO4)1.5(S6+O4)1.5(OH) |
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Locality: Crestmore, Riverside County, California, USA Source: Michael Scott S101069 Owner: RRUFF Description: Transparent tan-yellow prismatic crystals in blue calcite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Apatite (56) ] | ||||||||||
)
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Hydroxylhedyphane RRUFF ID: R070425 |
Ideal Chemistry: Ca2Pb2+3(As5+O4)3(OH) |
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Locality: Langban, Filipstad, Varmland, Sweden Source: Michael Scott S102181 Owner: RRUFF Description: Aggregates of prismatic colorless crystals, associated with lizardite. NEW MINERAL, OH analogue of hedyphane, perhaps call it hydroxylhedyphane Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Apatite (56) ] | ||||||||||
)
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Hydroxylherderite RRUFF ID: R050518 |
Ideal Chemistry: CaBe(PO4)(OH) |
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Locality: Mt. Apatite, Auburn, Maine, USA Source: University of Arizona Mineral Museum 2386 Owner: RRUFF Description: Colorless prismatic crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Gadolinite (18) ] | ||||||||||
| Quick search: [ All Hydroxylherderite samples (4) ] | ||||||||||
)
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Hydroxylherderite RRUFF ID: R050520 |
Ideal Chemistry: CaBe(PO4)(OH) |
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Locality: Virgem da Lapa, Minas Gerais, Brazil Source: University of Arizona Mineral Museum 10309 Owner: RRUFF Description: White massive associated with a dark green tourmaline Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Gadolinite (18) ] | ||||||||||
| Quick search: [ All Hydroxylherderite samples (4) ] | ||||||||||
)
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Hydroxylherderite RRUFF ID: R060353 |
Ideal Chemistry: CaBe(PO4)(OH) |
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Locality: Shigar Valley, northeast of Skardu, Baltistan, Pakistan Source: Herb Obodda 020 Owner: RRUFF Description: Colorless equant crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Gadolinite (18) ] | ||||||||||
| Quick search: [ All Hydroxylherderite samples (4) ] | ||||||||||
)
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Hydroxylherderite RRUFF ID: R070451 |
Ideal Chemistry: CaBe(PO4)(OH) |
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Locality: Fletcher mine, Groton, Grafton County, New Hampshire, USA Source: Michael Scott S102803 Owner: RRUFF Description: Brownish green prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Gadolinite (18) ] | ||||||||||
| Quick search: [ All Hydroxylherderite samples (4) ] | ||||||||||
)
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Hydroxylpyromorphite RRUFF ID: R200007 |
Ideal Chemistry: Pb2+5(PO4)3(OH) |
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Locality: Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA Source: Warren Lazar Owner: RRUFF Description: Colorless or yellowish prismatic crystals, associated with lazaraskeite, chrysocolla, muscovite, orthoclase, calcite, and quartz. Status: unconfirmed |
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| Mineral Group: [ Apatite (56) ] | ||||||||||
)
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Hydroxymcglassonite-(K) RRUFF ID: R200004 |
Ideal Chemistry: KSr4Si8O20(OH)·8H2O |
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Locality: Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa Source: Jaco and Tania Janse van Nieuwenhuizen Owner: RRUFF Description: Colorless tiny crystals (<50 microns) intergrowth with blue granular meieranite (R140947), massive pale green sugilite, prismatic grey aegirine and bladed white pectolite. Cotype sample Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Apophyllite (7) ] | ||||||||||
)
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Hydrozincite RRUFF ID: R050635 |
Ideal Chemistry: Zn2+5(CO3)2(OH)6 |
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Locality: Ojuela mine, Mapimi, Durango, Mexico Source: University of Arizona Mineral Museum 13438 Owner: RRUFF Description: Sample is coated with colorless thin bladed crystals 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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Idrialite RRUFF ID: R060466 |
Ideal Chemistry: C22H14 |
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Locality: Skaggs Springs, Sonoma County, California, USA Source: Michael Scott S100175 Owner: RRUFF Description: Yellow to yellowish-brown glassy platy fragments Status: The identification of this mineral is not yet confirmed. |
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)
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Iimoriite-(Y) RRUFF ID: R070457 |
Ideal Chemistry: Y2(SiO4)(CO3) |
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Locality: I and L No. 4 claim, Bokan Mountain, Prince of Wales Island, Prince of Wales-Outer Ketchikan Borough, Alaska, USA Source: Michael Scott S101925 Owner: RRUFF Description: Colorless to tan unconsolidated grains and fragments Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Ilesite RRUFF ID: R080073 |
Ideal Chemistry: Mn2+S6+O4·4H2O |
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Locality: McDonnell claim, Hell's Valley, Park County, Colorado, USA Source: Michael Scott S100896 Owner: RRUFF Description: Pale greenish granular associated with copiapite and barite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Starkeyite (4) ] | ||||||||||
| Quick search: [ All Ilesite samples (2) ] | ||||||||||
)
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Ilesite RRUFF ID: R070494 |
Ideal Chemistry: Mn2+S6+O4·4H2O |
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Locality: Chvaletice, Pardubice Region, Bohemia (Böhmen; Boehmen), Czech Republic Source: Michael Scott S102831 Owner: RRUFF Description: Granular white microcrystals associated with prismatic gypsum crystals Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Starkeyite (4) ] | ||||||||||
| Quick search: [ All Ilesite samples (2) ] | ||||||||||
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Illite RRUFF ID: R180024 |
Ideal Chemistry: |
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Locality: Fithian, Illinois, USA Source: Ward's Natural Science Establishment, Inc. Owner: RRUFF Description: Clay mineral standard, H-35 Status: unconfirmed |
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| Mineral Group: [ mica (50) ] | ||||||||||
)
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Ilmenite RRUFF ID: R060149 |
Ideal Chemistry: Fe2+Ti4+O3 |
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Locality: Faraday Property, Bancroft District, Ontario, Canada Source: Marcus Origlieri Owner: RRUFF Description: Black thick tabular crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Corundum (38) ] | ||||||||||
| Quick search: [ All Ilmenite samples (2) ] | ||||||||||
)
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Ilmenite RRUFF ID: R130214 |
Ideal Chemistry: Fe2+Ti4+O3 |
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Locality: Mont St-Hilaire, Quebec, Canada Source: Don Doell Owner: RRUFF Description: Black lustrous tabular crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Corundum (38) ] | ||||||||||
| Quick search: [ All Ilmenite samples (2) ] | ||||||||||
)
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Ilsemannite RRUFF ID: R070513 |
Ideal Chemistry: Mo4+Mo6+2O8·nH2O |
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Locality: Osamu Utsumi Mine, Poços de Caldas, Minas Gerais, Brazil Source: Michael Scott S102885 Owner: RRUFF Description: Pale blue vitreous coating Status: The identification of this mineral is not yet confirmed. |
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)
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Ilvaite RRUFF ID: R050040 |
Ideal Chemistry: CaFe2+2Fe3+OSi2O7(OH) |
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Locality: Capo Calamita, Isle of Elba, Italy Source: University of Arizona Mineral Museum 2949 Owner: RRUFF Description: Brown fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Ilvaite (3) ] | ||||||||||
| Quick search: [ All Ilvaite samples (2) ] | ||||||||||
)
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Ilvaite RRUFF ID: R060474 |
Ideal Chemistry: CaFe2+2Fe3+OSi2O7(OH) |
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Locality: Dal 'Negorsk, Primorskiy, Kray, Russia Source: Michael Scott S100345 Owner: RRUFF Description: Steel gray prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Ilvaite (3) ] | ||||||||||
| Quick search: [ All Ilvaite samples (2) ] | ||||||||||
)
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Imandrite RRUFF ID: R070027 |
Ideal Chemistry: Na12Ca3Fe3+2Si12O36 |
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Locality: Vuonnemijok River, Khibiny Massif, Kola Peninsula, Russia Source: Michael Scott S105066 Owner: RRUFF Description: Yellowish brown vitreous crystal fragment Status: The identification of this mineral is not yet confirmed. |
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| Mineral Groups: [ Lovozerite (3) ] [ Imandrite (1) ] | ||||||||||
)
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Imayoshiite RRUFF ID: R210019 |
Ideal Chemistry: Ca3Al(CO3)[B(OH)4](OH)6·12H2O |
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Locality: Shijiangshan Pb-Zn mine, Keshiketeng Co., Chifeng City, Inner Mongolia, China Source: Hercule Shen Owner: Hercule Shen Description: Clusters of stacked rose-colored hexagonal crystals associated with bakerite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Ettringite (6) ] | ||||||||||
)
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Imiterite RRUFF ID: R080014 |
Ideal Chemistry: Ag2HgS2 |
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Locality: Imiter, Morocco Source: Michael Scott S101283 Owner: RRUFF Description: Black, metallic, prismatic crystals with striation, associated with calcite and dolomite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Inderborite RRUFF ID: R060871 |
Ideal Chemistry: CaMg[B3O3(OH)5]2·6H2O |
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Locality: TL, Inder, Kazakhstan Source: Michael Scott S101031 Owner: RRUFF Description: Colorless well-formed prismatic crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Inderite RRUFF ID: R050195 |
Ideal Chemistry: MgB3O3(OH)5·5H2O |
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Locality: Boron, Kern County, California, USA Source: Dave Bunk Minerals Owner: RRUFF Description: Colorless prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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)
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Indialite RRUFF ID: R140777 |
Ideal Chemistry: Mg2Al3(AlSi5)O18 |
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Locality: Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany Source: Ch. and H. Schäfer Owner: RRUFF Description: Violet isolated crystals, associated with quartz, albite (R180031) and tridymite (R140778). Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Beryl (28) ] | ||||||||||
)
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Indium RRUFF ID: R060771 |
Ideal Chemistry: In |
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Locality: Eastern Transbaikal, Russia Source: Michael Scott S101374 Owner: RRUFF Description: Dark grey metallic grains Status: The identification of this mineral is not yet confirmed. |
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)
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Inesite RRUFF ID: R070456 |
Ideal Chemistry: Ca2Mn2+7Si10O28(OH)2·5H2O |
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Locality: Fengjiashan mine (Daye Copper mine), Daye County, Huangshi Prefecture, Hubei Province, China Source: Michael Scott S101923 Owner: RRUFF Description: Fan-shaped cluster of pink laths associated with quartz and brown platy hubeite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Inesite samples (2) ] | ||||||||||
)
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Inesite RRUFF ID: R090030 |
Ideal Chemistry: Ca2Mn2+7Si10O28(OH)2·5H2O |
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Locality: Hale Creek Mine, Mad River Ridge, Hale Creek, Trinity County, California, USA Source: James Shigley Owner: RRUFF Description: Clusters of pink slender chisel-shaped laths Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Quick search: [ All Inesite samples (2) ] | ||||||||||
)
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Ingersonite RRUFF ID: R210001 |
Ideal Chemistry: Ca3Mn2+Sb5+4O14 |
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Locality: Langban mine, Filipstad, Varmland, Sweden Source: Markus and Stefan Wiklund Owner: RRUFF Description: Yellow granular crystals, associated with orange oxycalcioromeite and black filipstadite and jacobsite. Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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)
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Insizwaite RRUFF ID: R070743 |
Ideal Chemistry: PtBi2 |
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Locality: Strathcona Mine, Levack, Sudbury District (Sudbury Complex; Sudbury nickel irruptive), Ontario, Canada Source: Michael Scott S103264 Owner: RRUFF Description: Tin white metallic massive associated with chalcopyrite and quartz Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Pyrite (16) ] | ||||||||||
)
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Inyoite RRUFF ID: R040161 |
Ideal Chemistry: CaB3O3(OH)5·4H2O |
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Locality: Kramer deposit, Boron, Kern County, California, USA Source: University of Arizona Mineral Museum 8975 Owner: RRUFF Description: Group of colorless indistinct rounded crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Inyoite samples (2) ] | ||||||||||
)
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Inyoite RRUFF ID: R050157 |
Ideal Chemistry: CaB3O3(OH)5·4H2O |
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Locality: Sijes, Salta, Argentina Source: Jim McGlasson Owner: RRUFF Description: Group of colorless tabular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Inyoite samples (2) ] | ||||||||||
)
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Iodargyrite RRUFF ID: R080017 |
Ideal Chemistry: Ag1+I1- |
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Locality: Broken Hill, New South Wales, Australia Source: Michael Scott S100883 Owner: RRUFF Description: Lemon-yellow prismatic hexagonal crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Wurtzite (20) ] | ||||||||||
| Quick search: [ All Iodargyrite samples (2) ] | ||||||||||
)
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Iodargyrite RRUFF ID: R061056 |
Ideal Chemistry: Ag1+I1- |
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Locality: Capitana, Chile Source: Bob Jenkins Owner: RRUFF Description: Transparent colorless prismatic crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Wurtzite (20) ] | ||||||||||
| Quick search: [ All Iodargyrite samples (2) ] | ||||||||||
)
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Iowaite RRUFF ID: R060272 |
Ideal Chemistry: Mg6Fe3+2(OH)16Cl2·4H2O |
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Locality: Palabora open pit, Phalaborwa, Transvaal, Republic of South Africa Source: Michael Scott S100180 Owner: RRUFF Description: Reddish-brown hexagonal tablet Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
| Quick search: [ All Iowaite samples (2) ] | ||||||||||
)
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Iowaite RRUFF ID: R120110 |
Ideal Chemistry: Mg6Fe3+2(OH)16Cl2·4H2O |
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Locality: Kaznakhtinskiy Range, Altai Mountains, Russia Source: Marcus Origlieri Owner: RRUFF Description: Dark purple massive, associated with chrysotile Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
| Quick search: [ All Iowaite samples (2) ] | ||||||||||
)
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Iquiqueite RRUFF ID: R060822 |
Ideal Chemistry: K3Na4Mg(Cr6+O4)B24O39(OH)·12H2O |
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Locality: Salar de Miraje, Pampa de Tamanigal, Atacama, Chile Source: Michael Scott S101264 Owner: RRUFF Description: Transparent pale yellow crystals imbedded in nitratine Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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)
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Iranite RRUFF ID: R060781 |
Ideal Chemistry: Pb2+10Cu2+(Cr6+O4)6(SiO4)2(OH)2 |
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Locality: Chapacase mine, Sierra Cerillos district, Tocopilla, Chile Source: Michael Scott S101072 Owner: RRUFF Description: Corroded aggregate of orange platy crystals associated with red wulfenite; structure type sample. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Iranite (6) ] | ||||||||||
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