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4216 Records Found

Opal
RRUFF ID: X070003
Ideal Chemistry: SiO2·nH2O
Locality: Synthetic
Source: Taka Yamanaka
Owner: Taka Yamanaka
Description: Black polished cab, with Raman spectra that match Libyan desert glass
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Amorphous (18) ]
Quick search: [ All Opal samples (11) ]

Opal
RRUFF ID: R070627
Ideal Chemistry: SiO2·nH2O
Locality: Madagascar
Source: www.multicolour.com
Owner: RRUFF
Description: Polished iridescent fragment, Opal-CT. There is probably some polymer filler included, based on X-ray diffraction pattern
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Amorphous (18) ]
Quick search: [ All Opal samples (11) ]

Opal
RRUFF ID: X080017
Ideal Chemistry: SiO2·nH2O
Locality: Synthetic
Source: Gemological Institute of America 14329
Owner: GIA
Description: Polished Gilson cabachon, 1.58 ct
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ Amorphous (18) ]
Quick search: [ All Opal samples (11) ]

Opal
RRUFF ID: X080018
Ideal Chemistry: SiO2·nH2O
Locality: Synthetic
Source: Gemological Institute of America 21794
Owner: GIA
Description: Polished tear drop-shaped cabachon, 1.37 ct, Raman spectra matches polystyrene (plastic)
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Amorphous (18) ]
Quick search: [ All Opal samples (11) ]

Opal
RRUFF ID: R100149
Ideal Chemistry: SiO2·nH2O
Locality: Sri Lanka
Source: William W. Pinch
Owner: RRUFF
Description: White polished hemisphere
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Amorphous (18) ]
Quick search: [ All Opal samples (11) ]

Opal
RRUFF ID: R110107
Ideal Chemistry: SiO2·nH2O
Locality: Synthetic
Source: Gemological Institute of America 10-12-2010-12
Owner: RRUFF
Description: A polished white cabochon (2.03ct), solution grown.
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Amorphous (18) ]
Quick search: [ All Opal samples (11) ]

Orickite
RRUFF ID: R070739
Ideal Chemistry: CuFeS2·nH2O
Locality: Abundancia vein, Emma Louise Gold mine, El Guanaco, Taltal Province, Antofagasta, Chile
Source: Michael Scott S104242
Owner: RRUFF
Description: Dark gray to black metallic massive
Status: The identification of this mineral is not yet confirmed.

Orientite
RRUFF ID: R060936
Ideal Chemistry: Ca8Mn3+10(SiO4)3(Si3O10)3(OH)10·4H2O
Locality: Cerchiara mine, Liguria, Italy
Source: Michael Scott S101287
Owner: RRUFF
Description: Hexagonal looking chocolate-brown crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Orlandiite
RRUFF ID: R100122
Ideal Chemistry: Pb2+3Cl4(Se4+O3)·H2O
Locality: Baccu Locci mine, Villaputen, Sardinia
Source: William W. Pinch
Owner: RRUFF
Description: Colorless radiating bladed crystals associated with blue chalcomenite, R100123, and colorless anglesite.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Orpiment
RRUFF ID: R060105
Ideal Chemistry: As3+2S2-3
Locality: Mercur, Utah, USA
Source: University of Arizona Mineral Museum 14058
Owner: RRUFF
Description: Yellowish-orange crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Orpiment (2) ]
Quick search: [ All Orpiment samples (2) ]

Orpiment
RRUFF ID: R060116
Ideal Chemistry: As3+2S2-3
Locality: Quiruvilca, Peru
Source: University of Arizona Mineral Museum 11828
Owner: RRUFF
Description: Brownish-yellow prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Orpiment (2) ]
Quick search: [ All Orpiment samples (2) ]

Orthoclase
RRUFF ID: R040055
Ideal Chemistry: KAlSi3O8
Locality: Madagascar
Source: Bob Downs
Owner: RRUFF
Description: Pale yellow fragments
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]
Orthoclase
RRUFF ID: X050123
Ideal Chemistry: KAlSi3O8
Locality: Itrongahy, Madagascar
Source: G.R. Rossman 146
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]

Orthoclase
RRUFF ID: R050185
Ideal Chemistry: KAlSi3O8
Locality: Silica Bell Property, west of Hope, British Columbia, Canada
Source: Bob Downs
Owner: RRUFF
Description: Cluster of white wedge-shaped crystals, variety adularia
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]
Orthoclase
RRUFF ID: X050124
Ideal Chemistry: KAlSi3O8
Locality: Madagascar
Source: RD Shannon, 62047- 48
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]
Orthoclase
RRUFF ID: X050125
Ideal Chemistry: KAlSi3O8
Locality: Madagascar
Source: G.R. Rossman 78
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]
Orthoclase
RRUFF ID: X050126
Ideal Chemistry: KAlSi3O8
Locality: Madagascar
Source: G.R. Rossman 26
Owner: Caltech
Description: Heated to 500° C
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]

Orthoclase
RRUFF ID: R050367
Ideal Chemistry: KAlSi3O8
Locality: Pazunseik, Mandalay Division, Burma
Source: Marcus Origlieri
Owner: RRUFF
Description: Green crystal associated with topaz. Single-crystal structure refinement was conducted to demonstrate that it is orthoclase.
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]

Orthoclase
RRUFF ID: R060077
Ideal Chemistry: KAlSi3O8
Locality: pegmatite near Minh Tien, 15 km south of Luc Yen, Vietnam
Source: Marcus Origlieri
Owner: RRUFF
Description: Green fragment. Crystal structure determined to demonstrate that it is orthoclase
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]

Orthoclase
RRUFF ID: R070001
Ideal Chemistry: KAlSi3O8
Locality: Lengenbach Quarry, Binnental, Valais, Switzerland
Source: Michael Scott S102869
Owner: RRUFF
Description: Colorless single crystal with a habit similar to adularia
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]

Orthoclase
RRUFF ID: R150014
Ideal Chemistry: KAlSi3O8
Locality: Locality: Cathedral Peak granite, near Toulumne meadows, Yosemite National Park, California, USA
Source: Jennifer Schmidt (LDP12-02)
Owner: RRUFF
Description: White to colorless, massive, in a granitic rock
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ feldspar (62) ]
Quick search: [ All Orthoclase samples (10) ]

Orthogersdorffite
RRUFF ID: R070342
Ideal Chemistry: Ni3+(AsS)3-
Locality: Leichtenberg, Fichtelgebirge, Franconia, Bavaria, Germany
Source: Michael Scott S104664
Owner: RRUFF
Description: Dark grey metallic grains embedded in epoxy. Structure refined to determine space group.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Cobaltite (5) ]

Orthominasragrite
RRUFF ID: R060974
Ideal Chemistry: V4+O(S6+O4)·5H2O
Locality: Temple Mountain, Emery County, Utah, USA
Source: Michael Scott S101336
Owner: RRUFF
Description: Light blue grainy crust
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Minasragrite (2) ]

Orthoserpierite
RRUFF ID: R050292
Ideal Chemistry: CaCu2+4(S6+O4)2(OH)6·3H2O
Locality: Platosa mine, Bermijillo, Durango, Mexico
Source: Peter Megaw
Owner: RRUFF
Description: Turquoise-blue bladed crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Orthoserpierite samples (3) ]

Orthoserpierite
RRUFF ID: R060793
Ideal Chemistry: CaCu2+4(S6+O4)2(OH)6·3H2O
Locality: Mi Fiel Rosita mine, Bolsico District, Copiapo, Chile
Source: Bob Jenkins
Owner: RRUFF
Description: Light blue aggregate of lathlike crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Orthoserpierite samples (3) ]

Orthoserpierite
RRUFF ID: R060977
Ideal Chemistry: CaCu2+4(S6+O4)2(OH)6·3H2O
Locality: Copper Creek, Galuiro Mountains, Pinal County, Arizona, USA
Source: Michael Scott S101453
Owner: RRUFF
Description: Blue-green platy crystals in masses with chrysocolla
Status: The identification of this mineral has been confirmed only by X-ray diffraction
Quick search: [ All Orthoserpierite samples (3) ]

Osarizawaite
RRUFF ID: R060395
Ideal Chemistry: Cu2+Pb2+Al2(S6+O4)2(OH)6
Locality: Silver Hill mine, Pima County, Arizona, USA
Source: Michael Scott S100083
Owner: RRUFF
Description: Pale blue drusy coating
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Groups: [ alunite (46) ] [ Alunite (20) ]
Quick search: [ All Osarizawaite samples (3) ]

Osarizawaite
RRUFF ID: R060401
Ideal Chemistry: Cu2+Pb2+Al2(S6+O4)2(OH)6
Locality: Akita Prefecture, Japan
Source: American Museum of Natural History 34395
Owner: RRUFF
Description: Yellowish-green granular mass
Status: The identification of this mineral is not yet confirmed.
Mineral Groups: [ alunite (46) ] [ Alunite (20) ]
Quick search: [ All Osarizawaite samples (3) ]

Osarizawaite
RRUFF ID: R060399
Ideal Chemistry: Cu2+Pb2+Al2(S6+O4)2(OH)6
Locality: Bustillos Province, Bolivia
Source: American Museum of Natural History 34650
Owner: RRUFF
Description: Aggregate of tan colored spherical groups associated with wavellite and quartz
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Groups: [ alunite (46) ] [ Alunite (20) ]
Quick search: [ All Osarizawaite samples (3) ]

Osmium
RRUFF ID: R060823
Ideal Chemistry: Os
Locality: Nevjansk, Ural Mountains, USSR
Source: Michael Scott S101193
Owner: RRUFF
Description: Grey metallic massive, variety iridosmine
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Quick search: [ All Osmium samples (2) ]

Osmium
RRUFF ID: R080088
Ideal Chemistry: Os
Locality: Goodnews Bay, Bethel Borough, Alaska, USA
Source: Michael Scott S104204
Owner: RRUFF
Description: Navy blue, fine powder
Status: The identification of this mineral is not yet confirmed.
Quick search: [ All Osmium samples (2) ]

Osumilite
RRUFF ID: R060385
Ideal Chemistry: KFe2+2(Al5Si10)O30
Locality: Funtanafigu Quarry, Monte Arci, near Oristano, Sardinia
Source: Michael Scott S100097
Owner: RRUFF
Description: Black tabular distorted hexagonal crystals associated with colorless tridymite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Milarite (18) ]

Osumilite-(Mg)
RRUFF ID: R141100
Ideal Chemistry: KMg2(Al5Si10)O30
Locality: Weinberg, Nickenich, Eifel, Germany
Source: Ch. and H. Schäfer
Owner: RRUFF
Description: Light blue to colorless, short prismatic or tabular hexagonal crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Milarite (18) ]
Quick search: [ All Osumilite-(Mg) samples (2) ]

Osumilite-(Mg)
RRUFF ID: R141102
Ideal Chemistry: KMg2(Al5Si10)O30
Locality: Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany
Source: Ch. and H. Schäfer
Owner: RRUFF
Description: Pale blue short prismatic or tabular hexagonal crystals, associated with acicular mullite, colorless sanidine, reddish rutile.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Milarite (18) ]
Quick search: [ All Osumilite-(Mg) samples (2) ]

Oswaldpeetersite
RRUFF ID: R060529
Ideal Chemistry: (U6+O2)2CO3(OH)2·4H2O
Locality: Jomac mine, San Juan County, Utah, USA
Source: Michael Scott S100783
Owner: RRUFF
Description: Divergent sprays of yellow bladed crystals, made up of many sub-parallel smaller crystals. Single crystal X-ray diffraction with a lab source is not possible. Note that the crystals dissolve in acetone
Status: The identification of this mineral is not yet confirmed.

Otavite
RRUFF ID: R050677
Ideal Chemistry: Cd2+CO3
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia
Source: University of Arizona Mineral Museum 5891
Owner: RRUFF
Description: White rhombohedra
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Calcite (36) ]

Ottensite
RRUFF ID: R070115
Ideal Chemistry: Na3(Sb3+2O3)3(Sb3+S2-3)·3H2O
Locality: Qinglong District, Qinglong, Qianxi'n Autonomous Prefecture, Guizhou, China
Source: Michael Scott S100424
Owner: RRUFF
Description: Loose red-brown granular glassy fragments intimately associated with mopungite
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Cetineite (2) ]
Quick search: [ All Ottensite samples (2) ]

Ottensite
RRUFF ID: R220043
Ideal Chemistry: Na3(Sb3+2O3)3(Sb3+S2-3)·3H2O
Locality: Pereta mine, Tuscany, Italy
Source: Erica Bittarello
Owner: Erica Bittarello
Description: Reddish-brown spheroidal aggregates formed by radially oriented-individuals. Described in Bittarello et al (2015)
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Cetineite (2) ]
Quick search: [ All Ottensite samples (2) ]

Ottoite
RRUFF ID: R130126
Ideal Chemistry: Pb2+2Te6+O5
Locality: Grand Central mine, Tombstone, Cochise County, Arizona
Source: Bob Jenkins
Owner: RRUFF
Description: Clusters of pale yellow-green spear-shaped crystals, in subparallel to divergent intergrowths.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Not in a structural group (133) ]

Ottrélite
RRUFF ID: R060832
Ideal Chemistry: Mn2+Al2O(SiO4)(OH)2
Locality: Ottre, Belgium
Source: Michael Scott S101006
Owner: RRUFF
Description: Black pseudohexagonal flakes, triply twinned with a 120 deg rotation around c*
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Chloritoid (3) ]

Otwayite
RRUFF ID: R060384
Ideal Chemistry: Ni2+2CO3(OH)2·H2O
Locality: Otway Prospect, Nullagine Region, Western Australia, Australia
Source: Michael Scott S100163
Owner: RRUFF
Description: Green transparent coating
Status: The identification of this mineral is not yet confirmed.

Overite
RRUFF ID: R100024
Ideal Chemistry: CaMgAl(PO4)2(OH)·4H2O
Locality: Clay Canyon deposit, near Fairfield, Utah County, Utah, USA
Source: Terry Szenics
Owner: RRUFF
Description: Light apple-green lathlike crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Overite (3) ]

Owyheeite
RRUFF ID: R060396
Ideal Chemistry: Ag1+3Pb2+10Sb3+11S2-28
Locality: Banner mine, Boise County, Idaho, USA
Source: Michael Scott S100102
Owner: RRUFF
Description: Mass of black hairs on quartz
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Owyheeite (2) ]
Quick search: [ All Owyheeite samples (2) ]

Owyheeite
RRUFF ID: R070543
Ideal Chemistry: Ag1+3Pb2+10Sb3+11S2-28
Locality: Covada, Colville Indian Reservation, Ferry County, Washington, USA
Source: James Shigley
Owner: RRUFF
Description: Aggregate of metallic black acicular crystals associated with quartz
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Owyheeite (2) ]
Quick search: [ All Owyheeite samples (2) ]

Oxy-dravite
RRUFF ID: R141094
Ideal Chemistry: Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O
Locality: Strada Vilante, San Martino al Cimino, Vico volcano, Viterbo, Latium, Italy
Source: Ch. and H. Schäfer
Owner: RRUFF
Description: Blue-grey prismatic crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ tourmaline (49) ]

Oxy-schorl
RRUFF ID: R140339
Ideal Chemistry: Na(Fe2+2Al)Al6Si6O18(BO3)3(OH)3O
Locality: Přibyslavice, Bohemia, Czech Republic
Source: Bob Jenkins
Owner: RRUFF
Description: Black grains embedded in quartz and orthoclase
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ tourmaline (49) ]

Oxycalcioroméite
RRUFF ID: R200015
Ideal Chemistry: Ca2Sb5+2O7
Locality: Langban mine, Filipstad, Varmland, Sweden
Source: Markus and Stefan Wiklund #00005
Owner: RRUFF
Description: Orange masses of grains and small octahedral crystals in a carbonate matrix with black grains of jacobsite and filipstadite.
Status: unconfirmed
Mineral Groups: [ pyrochlore (28) ] [ Romeite (2) ]

Oxyphlogopite
RRUFF ID: R141078
Ideal Chemistry: K(Mg,Ti4+,Fe3+,Fe2+)3[(Si,Al)4O10](O,F)2
Locality: Graulay, Hillesheim, Eifel, Rhineland-Palatinate, Germany
Source: Ch. and H. Schäfer
Owner: RRUFF
Description: Dark brown to almost black platy crystals, associated with schorlomite, pyroxene, leucite and nepheline
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ mica (50) ]
Quick search: [ All Oxyphlogopite samples (2) ]

Oxyphlogopite
RRUFF ID: R141079
Ideal Chemistry: K(Mg,Ti4+,Fe3+,Fe2+)3[(Si,Al)4O10](O,F)2
Locality: Nickenicher Sattel, Nickenich, Eifel, Germany
Source: Ch. and H. Schäfer
Owner: RRUFF
Description: Dark brown to almost black platy crystals, associated with sodalite.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ mica (50) ]
Quick search: [ All Oxyphlogopite samples (2) ]

Pääkkönenite
RRUFF ID: R060709
Ideal Chemistry: Sb3+4(As2)4-S2-4
Locality: Caiwa mine, Danfeng, Shangluo Prefecture, Shaanxi, Northwest Region, China
Source: Bob Jenkins
Owner: RRUFF
Description: Black metallic bladed crystals associated with needles of stibnite crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Stibnite (10) ]
Quick search: [ All Pääkkönenite samples (2) ]

Pääkkönenite
RRUFF ID: R090073
Ideal Chemistry: Sb3+4(As2)4-S2-4
Locality: Damingshan Mountain area, Defeng, Shanglin County, Guangxi Province, China
Source: William W. Pinch
Owner: RRUFF
Description: Silvery-gray metallic, elongated but platy, crystals in spherical aggregates associated with dolomite and kermesite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Stibnite (10) ]
Quick search: [ All Pääkkönenite samples (2) ]

Pabstite
RRUFF ID: R060386
Ideal Chemistry: BaSn4+Si3O9
Locality: Kalkar Quarry, Santa Cruz County, California, USA
Source: Michael Scott S100328
Owner: RRUFF
Description: Colorless, with a faint hint of pink, lamellar crystals associated with actinolite, diopside and calcite. Strongly fluorescent under short-wave ultraviolet light
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Benitoite (4) ]

Pachnolite
RRUFF ID: R070596
Ideal Chemistry: NaCaAlF6·H2O
Locality: Ivigtut, Arsuk, Kitaa Province, Greenland
Source: James Shigley
Owner: RRUFF
Description: White to colorless translucent prismatic crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Painite
RRUFF ID: X050128
Ideal Chemistry: CaZr4+Al9O15(BO3)
Locality: Ohngaing Village, Mogok, Burma
Source: G.R. Rossman 417
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Quick search: [ All Painite samples (3) ]

Painite
RRUFF ID: R060957
Ideal Chemistry: CaZr4+Al9O15(BO3)
Locality: Ohngaing Village, Mogok, Burma
Source: Marcus Origlieri
Owner: RRUFF
Description: Single crystal, reddish-brown to orangish prism section, several prism forms, small transparent areas.
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Quick search: [ All Painite samples (3) ]

Painite
RRUFF ID: R100164
Ideal Chemistry: CaZr4+Al9O15(BO3)
Locality: Mogok, Burma
Source: William W. Pinch
Owner: RRUFF
Description: Brown fragment associated with red ruby corundum
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Painite samples (3) ]

Palenzonaite
RRUFF ID: R060455
Ideal Chemistry: NaCa2Mn2+2(V5+O4)3
Locality: Molinello mine, Val Graveglia, Genova Province, Liguria, Italy
Source: Michael Scott S100207
Owner: RRUFF
Description: Dark-red massive crystals associated with calcite, quartz, and muscovite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ garnet (97) ]

Palermoite
RRUFF ID: R120141
Ideal Chemistry: Li2SrAl4(PO4)4(OH)4
Locality: Palermo No. 1 mine, Groton, New Hampshire, USA
Source: Benjamin N. Schumer
Owner: RRUFF
Description: Striated, colorless, elongated prismatic crystals, associated with quartz, radiating childrenite, natropalermoite (R130092), and lefontite (R140539).
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Carminite (8) ]
Quick search: [ All Palermoite samples (2) ]

Palermoite
RRUFF ID: R130090
Ideal Chemistry: Li2SrAl4(PO4)4(OH)4
Locality: Palermo mine, North Groton, New Hampshire, USA
Source: William W. Pinch and Don Doell
Owner: RRUFF
Description: Colorless prismatic crystal, associated with quartz
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Carminite (8) ]
Quick search: [ All Palermoite samples (2) ]

Palladium
RRUFF ID: R070339
Ideal Chemistry: Pd
Locality: Gongo Soco mine, Quadrilátero Ferrífero, Minas Gerais; Southeast, Brazil
Source: Michael Scott S105927
Owner: RRUFF
Description: Light gray metallic grain
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Copper (13) ]

Papagoite
RRUFF ID: R040182
Ideal Chemistry: CaCu2+AlSi2O6(OH)3
Locality: Ajo, Pima County, Arizona, USA
Source: University of Arizona Mineral Museum 10049
Owner: RRUFF
Description: Blue crusty coating
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis

Parabrandtite
RRUFF ID: R220028
Ideal Chemistry: Ca2Mn2+(As5+O4)2·2H2O
Locality: Cobriza mine, Sacramento District, Copiapó Province, Chile
Source: Bob Jenkins
Owner: RRUFF
Description: Colorless bladed or prismatic crystals, associated with bladed or platy brandtite. Twinning is common, a 180 rotation about c*.
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ fairfieldite (16) ]

Parabutlerite
RRUFF ID: R060754
Ideal Chemistry: Fe3+S6+O4(OH)·2H2O
Locality: Chuquicamata, Chile
Source: Michael Scott S101228
Owner: RRUFF
Description: Aggregate of pale orange grains
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Parabutlerite samples (3) ]

Parabutlerite
RRUFF ID: R070547
Ideal Chemistry: Fe3+S6+O4(OH)·2H2O
Locality: Chuquicamata mine, Calama, El Loa Province, Antofogasta, Chile
Source: James Shigley
Owner: RRUFF
Description: Granular aggregate of orange microcrystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Parabutlerite samples (3) ]

Parabutlerite
RRUFF ID: R110161
Ideal Chemistry: Fe3+S6+O4(OH)·2H2O
Locality: Saghand, near Yazd, Iran
Source: George Rossman, California Institute of Technology GRR242, CIT8170
Owner: RRUFF
Description: Fragment of euhedral orange crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Parabutlerite samples (3) ]

Paracetamol
RRUFF ID: D120007
Ideal Chemistry: C8H9NO2
Locality: Synthetic from Sigma
Source: David Blake
Owner: RRUFF
Description: Fine colorless powder. Paracetamol, otherwise known as acetaminophen, is an analgesic and antipyretic.
Status: The identification of this mineral is not yet confirmed.

Paracoquimbite
RRUFF ID: R050351
Ideal Chemistry: Fe3+4(S6+O4)6(H2O)12·6H2O
Locality: Cyprus
Source: California Institute of Technology W-19151
Owner: RRUFF
Description: Purple fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Coquimbite (5) ]
Quick search: [ All Paracoquimbite samples (2) ]

Paracoquimbite
RRUFF ID: R140266
Ideal Chemistry: Fe3+4(S6+O4)6(H2O)12·6H2O
Locality: Liaoning province, China
Source: Ken Roberts
Owner: RRUFF
Description: Purple pseudo cubic crystals, water soluble
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Coquimbite (5) ]
Quick search: [ All Paracoquimbite samples (2) ]

Paradamite
RRUFF ID: R050582
Ideal Chemistry: Zn2+2As5+O4(OH)
Locality: Ojuela mine, Mapimi, Durango, Mexico
Source: University of Arizona Mineral Museum 13752
Owner: RRUFF
Description: Groups of tabular pale yellow crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Tarbuttite (2) ]

Parafransoletite
RRUFF ID: R130056
Ideal Chemistry: Ca3Be2(PO4)2(PO3OH)2·4H2O
Locality: Tip Top mine, Custer, South Dakota, USA
Source: Thomas A. Loomis TL-19
Owner: RRUFF
Description: White bladed crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.

Paragonite
RRUFF ID: R050447
Ideal Chemistry: NaAl2(Si3Al)O10(OH)2
Locality: Switzerland
Source: Marcus Origlieri
Owner: RRUFF
Description: White massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ mica (50) ] [ Clay (86) ]

Parahopeite
RRUFF ID: R050463
Ideal Chemistry: Zn2+3(PO4)2·4H2O
Locality: Broken Hill mine, Kabwe, Zambia
Source: University of Arizona Mineral Museum 13695
Owner: RRUFF
Description: Colorless elongated subparallel aggregate of crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Parahopeite (2) ]

Parakeldyshite
RRUFF ID: R120048
Ideal Chemistry: Na2Zr4+Si2O7
Locality: Alluaiv Mt., Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Source: Donald Doell
Owner: RRUFF
Description: White massive
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.

Paralaurionite
RRUFF ID: R050271
Ideal Chemistry: Pb2+Cl(OH)
Locality: Tiger, Pinal County, Arizona, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Greenish-yellow prismatic crystal
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Paralaurionite samples (2) ]

Paralaurionite
RRUFF ID: R100178
Ideal Chemistry: Pb2+Cl(OH)
Locality: Sierra Gorda, Antofagasta Province, Chile
Source: Bob Jenkins
Owner: RRUFF
Description: Clear to pale violet melted looking blobs or elongated tabular crystals, associated with clear to white hexagonal prismatic penfieldite, blue tabular pseudoboleite, and colorless tabular gypsum.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Paralaurionite samples (2) ]

Paramontroseite
RRUFF ID: R050391
Ideal Chemistry: V4+O2
Locality: J.J. mine, Buell Canyon District, Montrose County, Colorado, USA
Source: University of Arizona Mineral Museum 1743
Owner: RRUFF
Description: Black massive, radioactive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Ramsdellite (2) ]

Parapierrotite
RRUFF ID: R060397
Ideal Chemistry: Tl1+Sb3+5S2-8
Locality: Lookout Pass Area, southeast Tooele County, Utah, USA
Source: Michael Scott S100098
Owner: RRUFF
Description: Black semimetallic fragment
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Pararealgar
RRUFF ID: R140447
Ideal Chemistry: AsS
Locality: Getchell mine, Adam Peak, Potosi District, Osgood Mts, Humboldt County, Nevada, USA
Source: Rock Currier
Owner: RRUFF
Description: Yellow-orange, vitreous-opaque, poorly crystalline to amorphous, secondary alteration coating on realgar, associated with realgar and calcite.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Pararealgar samples (2) ]

Pararealgar
RRUFF ID: R150123
Ideal Chemistry: AsS
Locality: U.S. Borax mine, Kramer Borate deposit, Boron, California, USA
Source: Michael Scott S106210
Owner: RRUFF
Description: Yellowish-orange granular, within a rind of realgar
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Pararealgar samples (2) ]

Pararobertsite
RRUFF ID: R120119
Ideal Chemistry: Ca2Mn3+3O2(PO4)3·3H2O
Locality: Tip Top mine, Custer, South Dakota, USA
Source: Thomas A. Loomis. Anthony R. Kampf provided a few crystals (Kampf 2000).
Owner: RRUFF
Description: Spherical aggregate of brown platy crystals on colorless bobdownsite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.

Pararsenolamprite
RRUFF ID: R060772
Ideal Chemistry: As
Locality: Mukuno mine, Ouita, Japan
Source: Michael Scott S101097
Owner: RRUFF
Description: Dark grey metallic
Status: The identification of this mineral is not yet confirmed.

Parascholzite
RRUFF ID: R060806
Ideal Chemistry: CaZn2+2(PO4)2·2H2O
Locality: Tip Top mine, Fourmile, Custer District, Custer County, South Dakota, USA
Source: Michael Scott S100832
Owner: RRUFF
Description: Radial spray of colorless elongated flattened prismatic crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Parasibirskite
RRUFF ID: R110009
Ideal Chemistry: CaHBO3
Locality: Synthetic
Source: Jin-Xiao Mi
Owner: RRUFF
Description: Loose aggregate of colorless tabular crystals, mixed with CaLiBO3 crystals (R110010)
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Parasymplesite
RRUFF ID: R150137
Ideal Chemistry: Fe2+3(As5+O4)2·8H2O
Locality: Kiura Mine, Oita Pref., Kyushu Island, Japan
Source: Jeremie Pfister
Owner: RRUFF
Description: Aggregates of dark-bluish grey euhedral crystals, associated with smoky scorodite.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Vivianite (17) ]

Paratacamite
RRUFF ID: R160009
Ideal Chemistry: Cu2+3(Cu2+,Zn2+)Cl2(OH)6
Locality: Torrecillas mine, Salar Grande, Iquique Provence, Chile
Source: Robert Jenkins
Owner: RRUFF
Description: Dark green rhombohedral, as well as apple green druse
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Atacamite (16) ]

Paratooite-(La)
RRUFF ID: R110066
Ideal Chemistry: (La3+,Ca,Na,Sr)6Cu2+(CO3)8
Locality: Paratoo mine, Yunta, South Australia
Source: Renato & Adriana Pagano
Owner: RRUFF
Description: Aggregates of platy pale blue crystals
Status: The identification of this mineral has been confirmed only by chemical analysis
Mineral Group: [ Carbocernaite (1) ]

Parauranophane
RRUFF ID: R060962
Ideal Chemistry: Ca(U6+O2)2(SiO3OH)2·5H2O
Locality: Teofilo Otoni, Minas Gerais, Brazil
Source: Michael Scott S101399
Owner: RRUFF
Description: Yellow elongated prismatic crystals in aggregates with muscovite on albite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Parauranophane samples (2) ]

Parauranophane
RRUFF ID: R120075
Ideal Chemistry: Ca(U6+O2)2(SiO3OH)2·5H2O
Locality: Capoeira pegmatite, Parelhas, Borborema mineral province, Rio Grande do Norte, Brazil
Source: Donald Doell
Owner: RRUFF
Description: Yellow prismatic crystals on albite, associated with a yellow fibrous unknown mineral
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Parauranophane samples (2) ]

Paravauxite
RRUFF ID: R040179
Ideal Chemistry: Fe2+Al2(PO4)2(OH)2·8H2O
Locality: Mina Siglo XX, Llallagua, Bolivia
Source: University of Arizona Mineral Museum 11446
Owner: RRUFF
Description: Colorless short prismatic crystals in subparallel groups
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Laueite (9) ]
Quick search: [ All Paravauxite samples (4) ]

Paravauxite
RRUFF ID: R050314
Ideal Chemistry: Fe2+Al2(PO4)2(OH)2·8H2O
Locality: Siglo XX mine, Llallagua, Bolivia
Source: Eugene Schlepp
Owner: RRUFF
Description: Pale green prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Laueite (9) ]
Quick search: [ All Paravauxite samples (4) ]

Paravauxite
RRUFF ID: R050468
Ideal Chemistry: Fe2+Al2(PO4)2(OH)2·8H2O
Locality: Llallagua, Bustillos Province, Potosi, Bolivia
Source: University of Arizona Mineral Museum 8180
Owner: RRUFF
Description: Colorless aggregate of tabular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Laueite (9) ]
Quick search: [ All Paravauxite samples (4) ]

Paravauxite
RRUFF ID: R050577
Ideal Chemistry: Fe2+Al2(PO4)2(OH)2·8H2O
Locality: Llallagua, Bolivia
Source: University of Arizona Mineral Museum 2414
Owner: RRUFF
Description: Colorless bladed crystal
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Laueite (9) ]
Quick search: [ All Paravauxite samples (4) ]

Paravinogradovite
RRUFF ID: R060834
Ideal Chemistry: (Na,◻)2(Ti4+,Fe3+)4(Si2O6)2(Si3AlO10)(OH)4·H2O
Locality: Kukisvumchorr Mountain, Khibiny Massif, Kola Peninsula, Russia
Source: Michael Scott S101009
Owner: RRUFF
Description: Aggregates of parallel tan colored acicular crystals associated with zircon
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Pargasite
RRUFF ID: R050321
Ideal Chemistry: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Locality: Soper River, near Kimmirut, Baffin Island, Nunavut, Canada
Source: Frank Hawthorne
Owner: RRUFF
Description: Greenish brown transparent fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Pargasite samples (4) ]

Pargasite
RRUFF ID: R060072
Ideal Chemistry: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Locality: Pein Pyit, Mogok, Burma
Source: Marcus Origlieri
Owner: RRUFF
Description: Pale green prismatic crystal embedded in calcite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Pargasite samples (4) ]

Pargasite
RRUFF ID: R060632
Ideal Chemistry: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Locality: unknown
Source: Gemological Institute of America 08
Owner: RRUFF
Description: Black cleavage fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ amphibole (107) ]
Quick search: [ All Pargasite samples (4) ]

Pargasite
RRUFF ID: R130006
Ideal Chemistry: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Locality: Bear Lake diggings (Gibson Road Western occurrence), Gooderham, Monmouth Township, Haliburton County, Ontario, Canada
Source: Don Doell
Owner: RRUFF
Description: Aggregate of black prismatic crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ amphibole (107) ]
Quick search: [ All Pargasite samples (4) ]

Parisite-(Ce)
RRUFF ID: R050308
Ideal Chemistry: CaCe3+2(CO3)3F2
Locality: Muzo, Bogota, Colombia
Source: Eugene Schlepp
Owner: RRUFF
Description: Green hexagonal prism
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Parisite (4) ]
Quick search: [ All Parisite-(Ce) samples (3) ]

Parisite-(Ce)
RRUFF ID: R120061
Ideal Chemistry: CaCe3+2(CO3)3F2
Locality: Snowbird mine, Fish Creek, Alberton, Mineral County, Montana, USA
Source: Donald Doell
Owner: RRUFF
Description: Brown hexagonal prismatic crystals, associated with white quartz
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Parisite (4) ]
Quick search: [ All Parisite-(Ce) samples (3) ]

Parisite-(Ce)
RRUFF ID: R120065
Ideal Chemistry: CaCe3+2(CO3)3F2
Locality: East Kemptville Tin mine, East Kemptville, Argyle, Yarmouth Co., Nova Scotia, Canada
Source: Donald Doell
Owner: RRUFF
Description: Pale orange hexagonal prismatic crystals, associated with R120064, anatase
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Parisite (4) ]
Quick search: [ All Parisite-(Ce) samples (3) ]
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