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4216 Records Found
Ankerite
RRUFF ID: X050018
Ideal Chemistry: CaFe2+(CO3)2
Locality: Erzberg, Austria
Source: American Museum of Natural History 8059
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Quick search: [ All Ankerite samples (4) ]
Ankerite
RRUFF ID: X050019
Ideal Chemistry: CaFe2+(CO3)2
Locality: Goldbrath, Austria
Source: American Museum of Natural History 6376
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Quick search: [ All Ankerite samples (4) ]

Ankinovichite
RRUFF ID: R060671
Ideal Chemistry: Ni2+Al4(V5+O3)2(OH)12·2H2O
Locality: Kara-Chagyr Mountain, Fergana, Fergana Valley, Osh Oblast, Kyrgyzstan
Source: Michael Scott S100964
Owner: RRUFF
Description: Aggregates of pale green thin pseudohexagonal plates
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Chalcoalumite (4) ]

Annabergite
RRUFF ID: R050462
Ideal Chemistry: Ni2+3(As5+O4)2·8H2O
Locality: Plaka mine, Laurium, Attica, Greece
Source: University of Arizona Mineral Museum 2447
Owner: RRUFF
Description: Green bladed crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Vivianite (17) ]
Quick search: [ All Annabergite samples (2) ]

Annabergite
RRUFF ID: R060564
Ideal Chemistry: Ni2+3(As5+O4)2·8H2O
Locality: Candelaria mine, Mineral County, Nevada, USA
Source: Michael Scott S100290
Owner: RRUFF
Description: Aggregates of green thin bladed crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Vivianite (17) ]
Quick search: [ All Annabergite samples (2) ]

Annite
RRUFF ID: R060204
Ideal Chemistry: KFe2+3AlSi3O10(OH)2
Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada
Source: Royal Ontario Museum M29662
Owner: RRUFF
Description: Black mica with pseudohexagonal outines
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ mica (50) ] [ Clay (86) ]
Quick search: [ All Annite samples (2) ]

Annite
RRUFF ID: R060211
Ideal Chemistry: KFe2+3AlSi3O10(OH)2
Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada
Source: Royal Ontario Museum M51392
Owner: RRUFF
Description: Black platy fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ mica (50) ] [ Clay (86) ]
Quick search: [ All Annite samples (2) ]

Anorpiment
RRUFF ID: R110016
Ideal Chemistry: As3+2S2-3
Locality: Palomo mine, Huancavelica Department, Peru
Source: Bob Jenkins
Owner: RRUFF
Description: Platy transparent olive green crystals coating botryoidal yellow orpiment. Co-type specimen.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (133) ]

Anorthite
RRUFF ID: R040059
Ideal Chemistry: CaAl2Si2O8
Locality: Miyakejima, Japan
Source: University of Arizona Mineral Museum 4079
Owner: RRUFF
Description: Colorless fragments of crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R050104
Ideal Chemistry: CaAl2Si2O8
Locality: unknown
Source: Rock Currier
Owner: RRUFF
Description: Iridescent slab, labradorite/andesine
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]
Anorthite
RRUFF ID: X050020
Ideal Chemistry: CaAl2Si2O8
Locality: West side, Great Sitkin Island, Aleutian Islands, Alaska
Source: G.R. Rossman 1597
Owner: Caltech
Description: NMNH 137041, Ca0.96
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]
Anorthite
RRUFF ID: X050021
Ideal Chemistry: CaAl2Si2O8
Locality: Miyakejima, Japan
Source: G.R. Rossman 1612
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R060082
Ideal Chemistry: CaAl2Si2O8
Locality: Pinacate Mountains, Sonora, Mexico
Source: University of Arizona Mineral Museum 15620
Owner: RRUFF
Description: Colorless crystal fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R060193
Ideal Chemistry: CaAl2Si2O8
Locality: Mexico
Source: Bill Barker
Owner: RRUFF
Description: Tan colored translucent fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R060221
Ideal Chemistry: CaAl2Si2O8
Locality: Pinacate lavafield, Sonora, Mexico
Source: Rock Currier
Owner: RRUFF
Description: Light tan transparent fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R060275
Ideal Chemistry: CaAl2Si2O8
Locality: Madagascar
Source: Herb Obodda 087
Owner: RRUFF
Description: Colorless to light gray fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R070510
Ideal Chemistry: CaAl2Si2O8
Locality: Larvik, Vestfold, Norway
Source: James Shigley
Owner: RRUFF
Description: Colorless to white vitreous crystals. Variety bytownite.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R070598
Ideal Chemistry: CaAl2Si2O8
Locality: Eyscott Hill, Keswick, Cumberland, England
Source: James Shigley
Owner: RRUFF
Description: Massive, greyish-green heterogenous aggregates on plagioclase matrix. Variety bytownite.
Status: The identification of this mineral has been confirmed only by chemical analysis
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R100170
Ideal Chemistry: CaAl2Si2O8
Locality: La Elenda mine, near Nuevo Casas Grandes, Municipio de Nuevo Casas Grandes, Chihuahua, Mexico
Source: Mineralogical Museum, Harvard University 135998
Owner: RRUFF
Description: Yellow-gray transparent fragment. Variety labradorite.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]
Anorthite
RRUFF ID: R130296
Ideal Chemistry: CaAl2Si2O8
Locality: Crystal Bay, Minnesota, USA
Source: Rock Currier
Owner: RRUFF
Description:
Status: unconfirmed
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthite
RRUFF ID: R190029
Ideal Chemistry: CaAl2Si2O8
Locality: San Louis Obispo Co., California, USA
Source: Mariah Leslie
Owner: RRUFF
Description: Dark green cobble, associated with augite(?), R190030
Status: unconfirmed
Mineral Group: [ feldspar (62) ]
Quick search: [ All Anorthite samples (13) ]

Anorthoroselite
RRUFF ID: R150065
Ideal Chemistry: Ca2Co2+(As5+O4)2·2H2O
Locality: Bou Azzer, Morocco
Source: Bob Jenkins
Owner: RRUFF
Description: Rose-red granular aggregates
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ fairfieldite (16) ]

Anthoinite
RRUFF ID: R070025
Ideal Chemistry: AlW6+O3(OH)3
Locality: Kyakabingu, Bumbogo, Rwanda
Source: Michael Scott S101286
Owner: RRUFF
Description: White, waxy flaky crystals associated with tan colored jarosite on quartz
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Anthoinite (1) ]

Anthophyllite
RRUFF ID: X050022
Ideal Chemistry: ◻Mg2Mg5Si8O22(OH)2
Locality: Winchester, Riverside County, California, USA
Source: Caltech 22362
Owner:
Description: Single crystal
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ amphibole (107) ]
Quick search: [ All Anthophyllite samples (2) ]

Anthophyllite
RRUFF ID: R070245
Ideal Chemistry: ◻Mg2Mg5Si8O22(OH)2
Locality: Shartash, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia
Source: Michael Scott S105774
Owner: RRUFF
Description: Translucent to transparent grey bladed crystals with satin luster (fibrous appearance) associated with hematite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ amphibole (107) ]
Quick search: [ All Anthophyllite samples (2) ]

Anthraxolite
RRUFF ID: R060634
Ideal Chemistry:
Locality: China
Source: Gemological Institute of America 01
Owner: RRUFF
Description: Black inclusions in quartz
Status: The identification of this mineral is not yet confirmed.

Antigorite
RRUFF ID: R070228
Ideal Chemistry: Mg3Si2O5(OH)4
Locality: Wood's Chrome Mine (Wood's Mine), Texas, Lancaster County, Pennsylvania, USA
Source: Michael Scott S100701
Owner: RRUFF
Description: Compact massive, light to dark green associated with chromite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ serpentine (12) ] [ Clay (86) ]

Antimony
RRUFF ID: R050654
Ideal Chemistry: Sb
Locality: Sarawak, Borneo
Source: University of Arizona Mineral Museum 3170
Owner: RRUFF
Description: Silver metallic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Arsenic (7) ]
Quick search: [ All Antimony samples (2) ]

Antimony
RRUFF ID: R070318
Ideal Chemistry: Sb
Locality: Arechuybo, Chihuahua, Mexico
Source: James Shigley
Owner: RRUFF
Description: Bright silver metallic lamellar
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Arsenic (7) ]
Quick search: [ All Antimony samples (2) ]

Antipinite
RRUFF ID: R160005
Ideal Chemistry: KNa3Cu2+2((C2)6+O4)4
Locality: Rowley mine, Maricopa County, Arizona, USA
Source: Danielle Sotomayor and Keith Wentz
Owner: RRUFF
Description: Blue euhedral crystals exhibiting hemihedral symmetry, associated with colorless barite, yellow hedyphane, and orange wulfenite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Groups: [ Not in a structural group (133) ] [ Oxalate (13) ]

Antlerite
RRUFF ID: R050212
Ideal Chemistry: Cu2+3(S6+O4)(OH)4
Locality: Chuquicamata mine, Calama, Antofagasta Province, Chile
Source: John Dagenais
Owner: RRUFF
Description: Deep green tabular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Antlerite samples (2) ]

Antlerite
RRUFF ID: R110045
Ideal Chemistry: Cu2+3(S6+O4)(OH)4
Locality: Childs Aldwinkle mine, Bunker Hill District, Copper Creek, Pinal County, Arizona, USA
Source: Bob Downs, collected March 2011
Owner: RRUFF
Description: Green granular aggregate
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 Antlerite samples (2) ]

Apachite
RRUFF ID: R060694
Ideal Chemistry: Cu2+9Si10O29·11H2O
Locality: Christmas mine, Gila County, Arizona, USA
Source: Bob Jenkins
Owner: RRUFF
Description: Spherical aggregates of pale blue fibers, associated with yellowish-orange andradite and colorless calcite
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Not in a structural group (133) ]

Aphthitalite
RRUFF ID: R050651
Ideal Chemistry: K3Na(S6+O4)2
Locality: Searles Lake, Trona, San Bernardino County, California, USA
Source: University of Arizona Mineral Museum 13723
Owner: RRUFF
Description: Colorless hexagonal crystals displaying P-3m1 space group symmetry, associated with halite.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Aphthitalite (3) ]

Apjohnite
RRUFF ID: R060231
Ideal Chemistry: Mn2+Al2(S6+O4)4·22H2O
Locality: Val d'Adige, Bolzano, Italy
Source: Michael Scott S100270
Owner: RRUFF
Description: Colorless acicular crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Halotrichite (7) ]

Apuanite
RRUFF ID: R060674
Ideal Chemistry: Fe2+Fe3+4Sb3+4O12S2-
Locality: Buca della Vena mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
Source: Michael Scott S101123
Owner: RRUFF
Description: Black massive granular
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Minium (6) ]

Aqualite
RRUFF ID: R070413
Ideal Chemistry: (H3O)8(Na,K,Sr)5Ca6Zr4+3Si26O66(OH)9Cl
Locality: Kovdor Phlogopite mine (Mica mine; Slyuda mine; Kovdorslyuda Shaft), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Source: Michael Scott S105760
Owner: RRUFF
Description: Pink gemmy massive inclusions in matrix of fine-grained white undetermined zeolite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ eudialyte (13) ]

Aragonite
RRUFF ID: R040078
Ideal Chemistry: CaCO3
Locality: Molina, Aragon, Spain
Source: University of Arizona Mineral Museum 3887
Owner: RRUFF
Description: Orange pseudohexagonal prisms
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Aragonite (18) ]
Quick search: [ All Aragonite samples (5) ]
Aragonite
RRUFF ID: X050023
Ideal Chemistry: CaCO3
Locality: Spain
Source: Caltech
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ Aragonite (18) ]
Quick search: [ All Aragonite samples (5) ]

Aragonite
RRUFF ID: R060195
Ideal Chemistry: CaCO3
Locality: Cicov Hill, Horenec, Czech Republic
Source: Marcus Origlieri
Owner: RRUFF
Description: Colorless transparent elongated prismatic crystal
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Aragonite (18) ]
Quick search: [ All Aragonite samples (5) ]

Aragonite
RRUFF ID: R080142
Ideal Chemistry: CaCO3
Locality: Miniere di Brosso, Ivrea, Torino, Italy
Source: Renato and Adriana Pagano
Owner: RRUFF
Description: Sprays of colorless to white acicular crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Aragonite (18) ]
Quick search: [ All Aragonite samples (5) ]

Aragonite
RRUFF ID: R150021
Ideal Chemistry: CaCO3
Locality: Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain
Source: Canan D'Avela
Owner: RRUFF
Description: Twinned crystals shaped like hexagonal prisms
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Aragonite (18) ]
Quick search: [ All Aragonite samples (5) ]

Arakiite
RRUFF ID: R060812
Ideal Chemistry: Zn2+Mn2+12Fe3+2(As3+O3)(As5+O4)2(OH)23
Locality: Nordmark, Sweden
Source: Michael Scott S101159
Owner: RRUFF
Description: Deep red massive between grains
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Hematolite (6) ]
Quick search: [ All Arakiite samples (2) ]

Arakiite
RRUFF ID: R070172
Ideal Chemistry: Zn2+Mn2+12Fe3+2(As3+O3)(As5+O4)2(OH)23
Locality: Langban, Filipstad, Varmland, Sweden
Source: Michael Scott S100741
Owner: RRUFF
Description: Reddish brown platey crystals associated with colorless calcite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Hematolite (6) ]
Quick search: [ All Arakiite samples (2) ]

Aramayoite
RRUFF ID: R061071
Ideal Chemistry: Ag1+3Sb3+2(Bi3+,Sb3+)S2-6
Locality: Animas mine, Potosi, Bolivia
Source: Michael Scott S101420
Owner: RRUFF
Description: Black platy submetallic
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Aramayoite (1) ]

Arapovite
RRUFF ID: R060672
Ideal Chemistry: (K1-xx)(Ca,Na)2U4+Si8O20 (x~0.5)
Locality: Dara-i-Pioz Glacier, Hait, Alayskiy (Alai) Range, Tien Shan Mountains, Tajikistan
Source: Michael Scott S100969
Owner: RRUFF
Description: Dark green prismatic crystals with rectangular shapes
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Steacyite (4) ]

Aravaipaite
RRUFF ID: R100004
Ideal Chemistry: Pb2+3AlF9·H2O
Locality: Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA
Source: William W. Pinch
Owner: RRUFF
Description: Colorless thin plates. Same sample as used in Kampf (2001) and Kampf et al (2011).
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Aravaipaite (3) ]
Quick search: [ All Aravaipaite samples (2) ]

Aravaipaite
RRUFF ID: R100032
Ideal Chemistry: Pb2+3AlF9·H2O
Locality: Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA
Source: William W. Pinch
Owner: RRUFF
Description: Transparent sheets, associated with laurelite R100011 and scotlandite R100043
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Aravaipaite (3) ]
Quick search: [ All Aravaipaite samples (2) ]

Ardealite
RRUFF ID: R060233
Ideal Chemistry: Ca2(PO3OH)(S6+O4)·4H2O
Locality: Moorba Cave, Jurien Bay, Western Australia, Australia
Source: Michael Scott S100314
Owner: RRUFF
Description: Tan colored powder
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Gypsum (12) ]

Ardennite-(As)
RRUFF ID: R060669
Ideal Chemistry: Mn2+4Al4(AlMg)(As5+O4)(SiO4)2(Si3O10)(OH)6
Locality: Ardennes, Salm Chateau, Belgium
Source: Michael Scott S100888
Owner: RRUFF
Description: Yellowish-brown prismatic single crystal associated with white quartz
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Ardennite (2) ]

Arfvedsonite
RRUFF ID: R040127
Ideal Chemistry: NaNa2(Fe2+4Fe3+)Si8O22(OH)2
Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada
Source: Bob Downs
Owner: RRUFF
Description: Black prismatic crystal associated with white analcime, R040128
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Arfvedsonite samples (3) ]

Arfvedsonite
RRUFF ID: R050514
Ideal Chemistry: NaNa2(Fe2+4Fe3+)Si8O22(OH)2
Locality: unknown
Source: Frank Hawthorne
Owner: RRUFF
Description: Small black fragments
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Arfvedsonite samples (3) ]

Arfvedsonite
RRUFF ID: R110049
Ideal Chemistry: NaNa2(Fe2+4Fe3+)Si8O22(OH)2
Locality: Mount Malosa, Zomba District, Malawi
Source: Donald M Doell
Owner: RRUFF
Description: Black prismatic crystal
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ amphibole (107) ]
Quick search: [ All Arfvedsonite samples (3) ]

Argandite
RRUFF ID: R130044
Ideal Chemistry: Mn2+7(V5+O4)2(OH)8
Locality: Pipji glacier (Pipjigletscher) in the Turtmann valley, Central Alps, Switzerland
Source: Joel Brugger
Owner: Joel Brugger
Description: Transparent, orange in color with a pale orange streak and vitreous luster. Associated with the V-minerals pyrobelonite, reppiaite, and an unknown silico-vanadate. Data from Brugger et al (2011)
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Allactite (3) ]

Argentobaumhauerite
RRUFF ID: R070167
Ideal Chemistry: Ag1.5Pb22As33.5S72
Locality: Cerro de Pasco, Alcides Carrión Province, Pasco department, Peru
Source: Michael Scott S103086
Owner: RRUFF
Description: Silver metallic mass of spheroids
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Sartorite (5) ]

Argentojarosite
RRUFF ID: R060097
Ideal Chemistry: Ag1+Fe3+3(S6+O4)2(OH)6
Locality: unknown
Source: University of Arizona Mineral Museum 5015
Owner: RRUFF
Description: Yellowish-brown flat hexagonal plates
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ alunite (46) ] [ Alunite (20) ]
Quick search: [ All Argentojarosite samples (2) ]

Argentojarosite
RRUFF ID: R060098
Ideal Chemistry: Ag1+Fe3+3(S6+O4)2(OH)6
Locality: Tintic Standard mine, Dividend, Utah, USA
Source: University of Arizona Mineral Museum 2595
Owner: RRUFF
Description: Coating of yellowish-brown flat hexagonal plates
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ alunite (46) ] [ Alunite (20) ]
Quick search: [ All Argentojarosite samples (2) ]

Argentopyrite
RRUFF ID: R070173
Ideal Chemistry: Ag1+Fe2+Fe3+S2-3
Locality: St. Joachimsthal, Bohemia, Czech Republic
Source: Michael Scott S100757
Owner: RRUFF
Description: Bronze and blue tarnished rectangular prisms associated with proustite
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Cubanite (7) ]
Quick search: [ All Argentopyrite samples (3) ]

Argentopyrite
RRUFF ID: R090026
Ideal Chemistry: Ag1+Fe2+Fe3+S2-3
Locality: Schaft 209, Aue, Niederschlema, Erzgebirge, Saxony, Germany
Source: Mark N. Feinglos
Owner: RRUFF
Description: Bronze tarnished rectangular prism. Sample used by Yang et al (2009) for structure determination.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Cubanite (7) ]
Quick search: [ All Argentopyrite samples (3) ]

Argentopyrite
RRUFF ID: R090027
Ideal Chemistry: Ag1+Fe2+Fe3+S2-3
Locality: Jáchymov, Ostrov, Krušné Hory Mts, Karlovy Vary Region, Bohemia, Czech Republic
Source: Mark N. Feinglos
Owner: RRUFF
Description: Bronze and blue tarnished rectangular prism. Co-type specimen. Twinned.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Cubanite (7) ]
Quick search: [ All Argentopyrite samples (3) ]

Argesite
RRUFF ID: R130008
Ideal Chemistry: (N3-H4)7Bi3+3Cl16
Locality: La Fossa crater, Vulcano, Aeolian Islands, Sicily, Italy
Source: Francesco Demartin
Owner: Francesco Demartin
Description: Pale-yellow crystals up to 0.15 mm in length, associated with bismuthinite, adranosite, brontesite, demicheleite-(Br), demicheleite-(Cl), and panichiite. Data from Demartin et al (2012).
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (133) ]

Argyrodite
RRUFF ID: R050437
Ideal Chemistry: Ag1+8Ge4+S2-6
Locality: Himmelsfurst mine, Freiberg, Saxony, Germany
Source: University of Arizona Mineral Museum 1540
Owner: RRUFF
Description: Steel gray with a red hint, mass of poorly formed crystals, associated with pyrargyrite.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Argyrodite (1) ]

Arhbarite
RRUFF ID: R060730
Ideal Chemistry: Cu2+2MgAs5+O4(OH)3
Locality: Guanaco, Chile
Source: Bob Jenkins
Owner: RRUFF
Description: Dark blue spherical aggregates associated with enargite. The bright, darker, green phase is conichalcite, the light green is unidentified.
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Gilmarite (2) ]

Arisite-(La)
RRUFF ID: R120051
Ideal Chemistry: NaLa2(CO3)2[(CO3)1-xF2x]F
Locality: Aris quarry, near Windhoek, Namibia
Source: William W. Pinch
Owner: RRUFF
Description: Pale pink hexagonal tabular crystal, associated with tuperssuatsiaite, and transparent platy polylithionite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Arisite (1) ]

Armalcolite
RRUFF ID: R070260
Ideal Chemistry: (Mg,Fe2+)Ti4+2O5
Locality: Chelyabinsk Oblast', Urals Region, Russia
Source: Michael Scott S100770
Owner: RRUFF
Description: Gray semimetallic, elongated tabular crystals on coal
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Pseudobrookite (6) ]
Quick search: [ All Armalcolite samples (3) ]

Armalcolite
RRUFF ID: R110187
Ideal Chemistry: (Mg,Fe2+)Ti4+2O5
Locality: Synthetic
Source: Hexiong Yang
Owner: RRUFF
Description: Transparent euhedral single crystal, synthesized at 1223 deg C with K2WO4 flux. Reheated to 600 deg C for 35 days, and quenched. The Mg and Ti are ordered. Crystals were used in the Yang and Hazen (1998) & the Liermann et al (2006) studies.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Pseudobrookite (6) ]
Quick search: [ All Armalcolite samples (3) ]

Armalcolite
RRUFF ID: R110188
Ideal Chemistry: (Mg,Fe2+)Ti4+2O5
Locality: Synthetic
Source: Hexiong Yang
Owner: RRUFF
Description: Transparent euhedral single crystal, synthesized at 1223 deg C with K2WO4 flux. Reheated to 1400 deg C for 5 hours, and quenched. The Mg and Ti are disordered. Crystals were used in the Yang and Hazen (1998) & the Liermann et al (2006) studies.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Pseudobrookite (6) ]
Quick search: [ All Armalcolite samples (3) ]

Armangite
RRUFF ID: R100041
Ideal Chemistry: Mn2+26As3+18O50(CO3)(OH)4
Locality: Langban, Filipstad, Varmland, Sweden
Source: William W. Pinch
Owner: RRUFF
Description: Elongated prismatic transparent brown, associated with green magnussonite R100027, and white nadorite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Armangite samples (2) ]

Armangite
RRUFF ID: R100054
Ideal Chemistry: Mn2+26As3+18O50(CO3)(OH)4
Locality: Langban, Filipstad, Varmland, Sweden
Source: William W Pinch
Owner: RRUFF
Description: Transparent brown hexagonal 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 Armangite samples (2) ]

Arrojadite-(BaNa)
RRUFF ID: R160077
Ideal Chemistry: BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)2
Locality: Victory mine, near Custer, Custer County, South Dakota, USA
Source: James Shigley
Owner: RRUFF
Description: Pale grey to colorless, transparent grains embedded in dark-green arrojadite (R160068).
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ arrojadite (6) ]

Arrojadite-(KFe)
RRUFF ID: R070319
Ideal Chemistry: (KNa)Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Locality: Nickel Plate mine, Keystone District, Pennington County, South Dakota, USA
Source: James Shigley
Owner: RRUFF
Description: Green massive
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ arrojadite (6) ]

Arrojadite-(KNa)
RRUFF ID: R050107
Ideal Chemistry: KNa3(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Locality: Big-Fish River, Yukon Territory, Canada
Source: Rock Currier
Owner: RRUFF
Description: Yellowish green tabular crystals
Status: The identification of this mineral has been confirmed only by X-ray diffraction
Mineral Group: [ arrojadite (6) ]

Arrojadite-(NaFe)
RRUFF ID: R070298
Ideal Chemistry: Na2Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Locality: Boundary Creek, Richardson Mountains, Dawson mining district, Yukon Territory, Canada
Source: Mark Mauthner 2977
Owner: RRUFF
Description: Dark bluish grey fragments
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Arsenbrackebuschite
RRUFF ID: R100184
Ideal Chemistry: Pb2+2(Fe3+,Zn2+)(As5+O4)2(OH,H2O)
Locality: Mina Ojuela (Campo Sur), Mapimi, Durango, Mexico
Source: Marcus Origlieri
Owner: RRUFF
Description: Yellow to yellowish-orange wedge shaped crystals associated with mimetite and segnitite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Brackebuschite (17) ]

Arsendescloizite
RRUFF ID: R060947
Ideal Chemistry: Pb2+Zn2+As5+O4(OH)
Locality: Ojuela mine, Mapimi, Durango, Mexico
Source: Bob Jenkins
Owner: RRUFF
Description: Green mammillary aggregates associated with yellow and colorless mimetite and calcite
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Adelite (19) ]
Quick search: [ All Arsendescloizite samples (2) ]

Arsendescloizite
RRUFF ID: R140430
Ideal Chemistry: Pb2+Zn2+As5+O4(OH)
Locality: Tsumeb, Namibia
Source: University of Arizona Mineral Museum 17511
Owner: RRUFF
Description: Yellowish tabular crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Adelite (19) ]
Quick search: [ All Arsendescloizite samples (2) ]

Arsenic
RRUFF ID: R050653
Ideal Chemistry: As
Locality: Japan
Source: University of Arizona Mineral Museum 1237
Owner: RRUFF
Description: Gray massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Arsenic (7) ]

Arseniopleite
RRUFF ID: R070144
Ideal Chemistry: NaCaMn2+Mn2+2(As5+O4)3
Locality: Sjögruvan mine, Grythyttan, Västmanland, Sweden
Source: Michael Scott S100755
Owner: RRUFF
Description: Vitreous brownish red massive
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Alluaudite (22) ]
Quick search: [ All Arseniopleite samples (2) ]

Arseniopleite
RRUFF ID: R070166
Ideal Chemistry: NaCaMn2+Mn2+2(As5+O4)3
Locality: Varenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy
Source: Michael Scott S104846
Owner: RRUFF
Description: Reddish brown granular
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Alluaudite (22) ]
Quick search: [ All Arseniopleite samples (2) ]

Arseniosiderite
RRUFF ID: R150062
Ideal Chemistry: Ca2Fe3+3O2(As5+O4)3·3H2O
Locality: Benjamin Hill, Sonora, Mexico
Source: Michael Scott S104843
Owner: RRUFF
Description: Dark red platy crystals, associated with yellow tan colored granular aggregates of beudantite, euhedral red sewardite and quartz
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Arseniosiderite (5) ]
Quick search: [ All Arseniosiderite samples (2) ]

Arseniosiderite
RRUFF ID: R150061
Ideal Chemistry: Ca2Fe3+3O2(As5+O4)3·3H2O
Locality: Las Animas mine, La Mur, Sonora, Mexico
Source: Bob Jenkins
Owner: RRUFF
Description: Dark red platy crystals, associated with bright red granular or prismatic sewardite (R060720)
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Arseniosiderite (5) ]
Quick search: [ All Arseniosiderite samples (2) ]

Arsenogorceixite
RRUFF ID: R060686
Ideal Chemistry: BaAl3As5+O4(As5+O3OH)(OH)6
Locality: Clara mine, Rankach Valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
Source: Michael Scott S101271
Owner: RRUFF
Description: Stacked aggregates of pale greenish-yellow hexagonal plates
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Groups: [ alunite (46) ] [ crandallite (14) ]

Arsenohauchecornite
RRUFF ID: R070347
Ideal Chemistry: Ni18Bi3AsS16
Locality: Vermilion Mine, Denison Township, Sudbury District, Ontario, Canada
Source: Michael Scott S104840
Owner: RRUFF
Description: Bright bronze massive with chonchoidal fracture
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ hauchecornite (2) ]

Arsenolamprite
RRUFF ID: R060680
Ideal Chemistry: As
Locality: Copiapo, Atacama, Chile
Source: Michael Scott S101370
Owner: RRUFF
Description: Black oxidized coating of arsenolite over a group of elongated bladed and platy crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Arsenolamprite (3) ]

Arsenolite
RRUFF ID: R050383
Ideal Chemistry: As3+2O3
Locality: Eureka, Nevada, USA
Source: University of Arizona Mineral Museum 3603
Owner: RRUFF
Description: Colorless hoppered octahedra
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Arsenolite (4) ]
Quick search: [ All Arsenolite samples (2) ]

Arsenolite
RRUFF ID: R080095
Ideal Chemistry: As3+2O3
Locality: Jáchymov, Erzgebirge Region, Czech Republic
Source: University of Arizona Mineral Museum 16128
Owner: RRUFF
Description: Colorless octahedra crystals on black matrix associated with colorless prismatic claudetite, R050313.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Arsenolite (4) ]
Quick search: [ All Arsenolite samples (2) ]

Arsenopyrite
RRUFF ID: R050071
Ideal Chemistry: Fe3+(AsS)3-
Locality: Yaogangxian mine, Yizhang County, Hunan Province, China
Source: Rock Currier
Owner: RRUFF
Description: Steel-gray tabular
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Arsenopyrite (6) ]
Quick search: [ All Arsenopyrite samples (3) ]

Arsenopyrite
RRUFF ID: R061082
Ideal Chemistry: Fe3+(AsS)3-
Locality: Little Gem mine, Goldbridge, British Columbia, Canada
Source: Lloyd Twaites LT 1516
Owner: RRUFF
Description: Silver gray metallic fragments
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Arsenopyrite (6) ]
Quick search: [ All Arsenopyrite samples (3) ]

Arsenopyrite
RRUFF ID: R070585
Ideal Chemistry: Fe3+(AsS)3-
Locality: Standard Consolidated mine, Sumpter District, Baker County, Oregon, USA
Source: James Shigley
Owner: RRUFF
Description: Tin-yellow, metallic striated crystal associated with calcite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Arsenopyrite (6) ]
Quick search: [ All Arsenopyrite samples (3) ]

Arsentsumebite
RRUFF ID: R060949
Ideal Chemistry: Pb2+2Cu2+(As5+O4)(S6+O4)(OH)
Locality: Capitana mine, Copiapo, Chile
Source: Bob Jenkins
Owner: RRUFF
Description: Green crystalline blebs scattered on the barite matrix
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Brackebuschite (17) ]
Quick search: [ All Arsentsumebite samples (3) ]

Arsentsumebite
RRUFF ID: R070629
Ideal Chemistry: Pb2+2Cu2+(As5+O4)(S6+O4)(OH)
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia
Source: Royal Ontario Museum
Owner: RRUFF
Description: Pale green tabular crystals coating white anglesite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Brackebuschite (17) ]
Quick search: [ All Arsentsumebite samples (3) ]

Arsentsumebite
RRUFF ID: R110041
Ideal Chemistry: Pb2+2Cu2+(As5+O4)(S6+O4)(OH)
Locality: Tsumeb, Namibia
Source: William W Pinch 11513
Owner: RRUFF
Description: Green tabular crystals associated with linarite and goethite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Brackebuschite (17) ]
Quick search: [ All Arsentsumebite samples (3) ]

Arsenuranospathite
RRUFF ID: R100008
Ideal Chemistry: Al(U6+O2)2(As5+O4)2F·20H2O
Locality: Krunkelbach valley, Menzenschwand, Schwarzwald, Germany
Source: William Pinch
Owner: RRUFF
Description: Blocky aggregates of yellowish-brown platy crystals, cell parameters are consistent with a partially dehydrated sample
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Artemisinin
RRUFF ID: D120011
Ideal Chemistry: C15H22O5
Locality: Synthetic from Sensapharm
Source: David Blake
Owner: RRUFF
Description: Colorless bladed crystals. Artemisinin is a compound used in antimalarial medications.
Status: The identification of this mineral is not yet confirmed.

Artesunate
RRUFF ID: D120001
Ideal Chemistry: C19H28O8
Locality: Synthetic from Sensapharm
Source: David Blake
Owner: RRUFF
Description: Coarse colorless powder. Artesunate is part of the artemisinin group of drugs that treat malaria.
Status: The identification of this mineral is not yet confirmed.
Quick search: [ All Artesunate samples (4) ]

Artesunate
RRUFF ID: D120022
Ideal Chemistry: C19H28O8
Locality: Synthetic; pill is from Guilin Pharmaceutical Co., Ltd., China
Source: David Blake
Owner: RRUFF
Description: Coated, off-white, 50 mg tablet. Artesunate is part of the artemisinin group of drugs that treat malaria.
Status: The identification of this mineral is not yet confirmed.
Quick search: [ All Artesunate samples (4) ]

Artesunate
RRUFF ID: D120023
Ideal Chemistry: C19H28O8
Locality: Synthetic; pill is from Guilin Pharmaceutical Co., Ltd., China
Source: David Blake
Owner: RRUFF
Description: Coated, off-white, 50 mg tablet from D120022, through packaging. Artesunate is part of the artemisinin group of drugs that treat malaria.
Status: The identification of this mineral is not yet confirmed.
Quick search: [ All Artesunate samples (4) ]

Artesunate
RRUFF ID: D120024
Ideal Chemistry: C19H28O8
Locality: Synthetic; pill is from Guilin Pharmaceutical Co., Ltd., China
Source: David Blake
Owner: RRUFF
Description: Off-white 50 mg tablets from D120022, coating removed. Artesunate is part of the artemisinin group of drugs that treat malaria.
Status: The identification of this mineral is not yet confirmed.
Quick search: [ All Artesunate samples (4) ]

Arthurite
RRUFF ID: R060235
Ideal Chemistry: Cu2+Fe3+2(As5+O4)2(OH)2·4H2O
Locality: Copper Stope, Majuba Hill mine, Pershing County, Nevada, USA
Source: Michael Scott S100155
Owner: RRUFF
Description: Divergent sprays of green thin prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Arthurite (7) ]

Artinite
RRUFF ID: R060166
Ideal Chemistry: Mg2CO3(OH)2·3H2O
Locality: San Benito County, California, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Spherical aggregates of divergent colorless acicular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Artinite (3) ]
Quick search: [ All Artinite samples (2) ]
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