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4216 Records Found

Tremolite
RRUFF ID: R040045
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Gouverneur, New York, USA
Source: University of Arizona Mineral Museum 5906
Owner: RRUFF
Description: Group of colorless acicular single crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: R040109
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Cassiar, British Columbia, Canada
Source: University of Arizona Mineral Museum 14820
Owner: RRUFF
Description: Green fine-grained massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: R050167
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Hunza Valley, Afghanistan
Source: Marcus Origlieri
Owner: RRUFF
Description: Green tabular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: R050173
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Fort Dauphin, Madagascar
Source: Marcus Origlieri
Owner: RRUFF
Description: Mass of colorless acicular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: R050210
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Sugar Lake, Cherryville, British Columbia, Canada
Source: Lloyd Twaites
Owner: RRUFF
Description: Green bladed crystal fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]
Tremolite
RRUFF ID: X050167
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Gouvernour, New York
Source: G.R. Rossman 231
Owner: Caltech
Description: Variety hexagonite
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]
Tremolite
RRUFF ID: X050168
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Passo Cadonighino, Switzerland
Source: CIT 13696
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: X050169
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Mt. Bity, Madagascar
Source: CIT 8038
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: X050170
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Canaan, Connecticut, USA
Source: CIT 321
Owner: Caltech
Description: var. Calamite
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: X050171
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: St. Lawrence County, New York, USA
Source: CIT 290
Owner: Caltech
Description: Sawed in 2 pieces
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: X050172
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Macomb, New York, USA
Source: CIT 4924
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]
Tremolite
RRUFF ID: X050173
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Haliburton, Ontario, Canada
Source: G.R. Rossman 1035
Owner: Caltech
Description:
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: R050498
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Inyo County, California, USA
Source: California Institute of Technology W-21014
Owner: RRUFF
Description: Group of pale blue parallel acicular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: R060311
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Khyber Pass area, Khyber Agency, North-West Frontier Province, Pakistan
Source: Herb Obodda 005
Owner: RRUFF
Description: Colorless fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: R061087
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Turret, Chaffee County, Colorado, USA
Source: Michael Scott S101178
Owner: RRUFF
Description: White radiating tufts of acicular crystals
Status: The identification of this mineral has been made only by X-ray diffraction.
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Tremolite
RRUFF ID: R070422
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Merilani Hills, Arusha, Tanzania
Source: Steve Ulatowski
Owner: RRUFF
Description: Green gemmy 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 Tremolite samples (17) ]

Tremolite
RRUFF ID: R150094
Ideal Chemistry: ◻Ca2Mg5Si8O22(OH)2
Locality: Belmat, St. Lawrence Co., New York, USA
Source: UAMM 9512
Owner: RRUFF
Description: Aggregate of pinkish prismatic crystals with good cleavage
Status: The identification of this mineral has been confirmed only by X-ray diffraction
Mineral Group: [ amphibole (107) ]
Quick search: [ All Tremolite samples (17) ]

Trevorite
RRUFF ID: R140860
Ideal Chemistry: Ni2+Fe3+2O4
Locality: Bon Accord, Barberton District, Mpumalanga Province, South Africa
Source: Rock Currier
Owner: RRUFF
Description: Black octahedral crystals embedded in fine green nepouite matrix
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Spinel (66) ]
Quick search: [ All Trevorite samples (2) ]

Trevorite
RRUFF ID: R150038
Ideal Chemistry: Ni2+Fe3+2O4
Locality: Agios Konstantinos, Lavrion District slag localities, Attikí Prefecture, Greece
Source: Gunnar Farber
Owner: RRUFF
Description: Black octahedral crystals, associated with R150037 euhedral vitreous green liebenbergite.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Spinel (66) ]
Quick search: [ All Trevorite samples (2) ]

Triangulite
RRUFF ID: R140862
Ideal Chemistry: Al3(U6+O2)4(PO4)4(OH)5·5H2O
Locality: Kobokobo pegmatite, Lusungu River District, Sud-Kivu, Democratic Republic Of Congo
Source: Rock Currier
Owner: RRUFF
Description: Orange yellow crystalline aggregate at the edge of sample. Associated with yellow tabular and transparent crystals of moreauite (fluorescent under UV) and meta-autunite.
Status: unconfirmed

Tridymite
RRUFF ID: R040143
Ideal Chemistry: SiO2
Locality: Big Lue Mountain, Highway 78, Greenlee County, Arizona, USA
Source: University of Arizona Mineral Museum 12643
Owner: RRUFF
Description: Colorless thin hexagonal plates. Masami Kanzaki (Okayama University) suggests this is polytype tridymite PO-10.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Tridymite (7) ]
Quick search: [ All Tridymite samples (4) ]

Tridymite
RRUFF ID: R090042
Ideal Chemistry: SiO2
Locality: The Fukang Pallasite meteorite, Gobi Desert, China, found in 2001
Source: Dante Lauretta
Owner: RRUFF
Description: Colorless micro-crystal, as an inclusion in olivine. Masami Kanzaki (Okayama University) suggests this is polytype tridymite MC.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Tridymite (7) ]
Quick search: [ All Tridymite samples (4) ]

Tridymite
RRUFF ID: R090063
Ideal Chemistry: SiO2
Locality: Mount Howe 88403 meteorite, likely formed during impact on a chondritic-parent body
Source: Devin L. Schrader and Dante S. Lauretta
Owner: RRUFF
Description: Imbedded in a polished slab, associated with kamacite, taenite, troilite, and schreibersite. Masami Kanzaki (Okayama University) suggests this is polytype tridymite MC.
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ Tridymite (7) ]
Quick search: [ All Tridymite samples (4) ]
Tridymite
RRUFF ID: R160073
Ideal Chemistry: SiO2
Locality: Synthetic
Source: PDA0058 20151002
Owner: RRUFF
Description: Fine white powder
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ Tridymite (7) ]
Quick search: [ All Tridymite samples (4) ]

Trigonite
RRUFF ID: R100050
Ideal Chemistry: Pb2+3Mn2+(As3+O3)2(As3+O2OH)
Locality: Langban, Filipstad, Varmland, Sweden
Source: William W Pinch
Owner: RRUFF
Description: Yellow masses, some with crystal faces
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Trilithionite
RRUFF ID: R040101
Ideal Chemistry: KLi1.5Al1.5(Si3Al)O10F2
Locality: Zambezi Region, Mozambique
Source: University of Arizona Mineral Museum 13619
Owner: RRUFF
Description: Aggregate of purple hexagonal plates, polytype is 2M1
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ mica (50) ]
Quick search: [ All Trilithionite samples (4) ]

Trilithionite
RRUFF ID: R040105
Ideal Chemistry: KLi1.5Al1.5(Si3Al)O10F2
Locality: Brown Derby mine, Ohio City, Gunnison County, Colorado, USA
Source: University of Arizona Mineral Museum 5528
Owner: RRUFF
Description: Purple hexagonal tablet
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ mica (50) ]
Quick search: [ All Trilithionite samples (4) ]

Trilithionite
RRUFF ID: R050486
Ideal Chemistry: KLi1.5Al1.5(Si3Al)O10F2
Locality: Cotopaxie, Colorado, USA
Source: California Institute of Technology W-21082
Owner: RRUFF
Description: Microcrystalline massive, no visible indication of foliation, polytype 1M
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ mica (50) ]
Quick search: [ All Trilithionite samples (4) ]

Trilithionite
RRUFF ID: R060004
Ideal Chemistry: KLi1.5Al1.5(Si3Al)O10F2
Locality: Mount Begbie, Revelstoke, British Columbia, Canada
Source: Bob Downs
Owner: RRUFF
Description: Aggregate of coarse purple crystals associated with elbaite, R060003
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ mica (50) ]
Quick search: [ All Trilithionite samples (4) ]

Trinitite
RRUFF ID: R160072
Ideal Chemistry:
Locality: Fireball area of the first atomic bomb detonation at the Trinity test site, White Sands Missile Range, New Mexico, USA
Source: Jeremy Yeak
Owner: RRUFF
Description: Fragments of glass
Status: The identification of this mineral is not yet confirmed.

Triphylite
RRUFF ID: R050257
Ideal Chemistry: LiFe2+PO4
Locality: Palermo mine, North Groton, Grafton County, New Hampshire, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Dark gray massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Olivine (61) ]
Quick search: [ All Triphylite samples (6) ]

Triphylite
RRUFF ID: R050366
Ideal Chemistry: LiFe2+PO4
Locality: Cornelia mine, Hagendorf, Bavaria, Germany
Source: Marcus Origlieri
Owner: RRUFF
Description: Bluish gray massive associated with brown zwieselite R050279
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Olivine (61) ]
Quick search: [ All Triphylite samples (6) ]

Triphylite
RRUFF ID: R050424
Ideal Chemistry: LiFe2+PO4
Locality: Karibib, Namibia
Source: John Lucking
Owner: RRUFF
Description: Lime-green fine-grained massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Olivine (61) ]
Quick search: [ All Triphylite samples (6) ]

Triphylite
RRUFF ID: R050494
Ideal Chemistry: LiFe2+PO4
Locality: Big Chief mine, Glendale, Pennington County, South Dakota, USA
Source: California Institute of Technology W-20810
Owner: RRUFF
Description: Bluish gray fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Olivine (61) ]
Quick search: [ All Triphylite samples (6) ]

Triphylite
RRUFF ID: R050624
Ideal Chemistry: LiFe2+PO4
Locality: Minas Gerais, Brazil
Source: Gemological Center
Owner: RRUFF
Description: Brown fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Olivine (61) ]
Quick search: [ All Triphylite samples (6) ]

Triphylite
RRUFF ID: R100156
Ideal Chemistry: LiFe2+PO4
Locality: Conselheira Pena, Minas Geraìs, Brazil
Source: William W. Pinch
Owner: RRUFF
Description: Brownish-orange cut stone
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Olivine (61) ]
Quick search: [ All Triphylite samples (6) ]

Triplite
RRUFF ID: R050186
Ideal Chemistry: Mn2+2(PO4)F
Locality: Wuzhou, Guangxi Autonomous Region, China
Source: John Lucking
Owner: RRUFF
Description: Orangish red fragments
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Triplite (7) ]
Quick search: [ All Triplite samples (6) ]

Triplite
RRUFF ID: R050226
Ideal Chemistry: Mn2+2(PO4)F
Locality: Fremont County, Colorado, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Reddish brown massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Triplite (7) ]
Quick search: [ All Triplite samples (6) ]

Triplite
RRUFF ID: R050615
Ideal Chemistry: Mn2+2(PO4)F
Locality: Vienna, Austria
Source: University of Arizona Mineral Museum 3010
Owner: RRUFF
Description: Brown massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Triplite (7) ]
Quick search: [ All Triplite samples (6) ]

Triplite
RRUFF ID: R060743
Ideal Chemistry: Mn2+2(PO4)F
Locality: Shigar Valley, northeast of Skardu, Baltistan, Pakistan
Source: Herb Obodda 098
Owner: RRUFF
Description: Reddish-brown transparent fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Triplite (7) ]
Quick search: [ All Triplite samples (6) ]

Triplite
RRUFF ID: R060935
Ideal Chemistry: Mn2+2(PO4)F
Locality: near Alchuri, Shigar Valley, Pakistan
Source: Herb Obodda
Owner: RRUFF
Description: Red translucent single crystal fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Triplite (7) ]
Quick search: [ All Triplite samples (6) ]

Triplite
RRUFF ID: R070645
Ideal Chemistry: Mn2+2(PO4)F
Locality: 10 km east of Shah Nassir Peak, Braldu Valley, Baltistan, Northern Areas, Pakistan
Source: Dudley Blauwet Gems
Owner: RRUFF
Description: Reddish-orange translucent fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Triplite (7) ]
Quick search: [ All Triplite samples (6) ]

Tripuhyite
RRUFF ID: R070383
Ideal Chemistry: Fe3+Sb5+O4
Locality: Cetine mine, Chiusdino, Siena Province, Tuscany, Italy
Source: Michael Scott S104750
Owner: RRUFF
Description: Transparent grey greenish acicular crystals associated with valentinite, clinocervantite R070385, and rosiaite R070384
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Rutile (23) ]

Tritomite-(Ce)
RRUFF ID: R060046
Ideal Chemistry: Ce3+5(SiO4,BO4)3(OH,O)
Locality: Langesundfjord, Norway
Source: University of Arizona Mineral Museum 16138
Owner: RRUFF
Description: Aggregate of orange coarse amorphous fragments
Status: The identification of this mineral has been confirmed only by chemical analysis
Mineral Group: [ Apatite (56) ]
Quick search: [ All Tritomite-(Ce) samples (2) ]

Tritomite-(Ce)
RRUFF ID: R060370
Ideal Chemistry: Ce3+5(SiO4,BO4)3(OH,O)
Locality: Norra Karr Complex, near Granna, Ostergotsland, Sweden
Source: Michael Scott S100018
Owner: RRUFF
Description: Reddish-brown vitreous fragment - metamict
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Apatite (56) ]
Quick search: [ All Tritomite-(Ce) samples (2) ]

Troilite
RRUFF ID: R070242
Ideal Chemistry: Fe2+S2-
Locality: Union Mine (Salt Lake-California Mine), Low Divide District, Del Norte County, California, USA
Source: Michael Scott S104076
Owner: RRUFF
Description: Fine grained massive, brownish-gray with metallic luster
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Quick search: [ All Troilite samples (2) ]

Troilite
RRUFF ID: R070213
Ideal Chemistry: Fe2+S2-
Locality: Bjurbole Borga, Nyland, Finland
Source: Michael Scott S104111
Owner: RRUFF
Description: Dark gray to tarnished brown metallic grains found in a chondrite meteorite class L4, that fell on March 12, 1899
Status: The identification of this mineral is not yet confirmed.
Quick search: [ All Troilite samples (2) ]

Trolleite
RRUFF ID: R050425
Ideal Chemistry: Al4(PO4)3(OH)3
Locality: Halsjoberg, Varmland, Sweden
Source: Marcus Origlieri
Owner: RRUFF
Description: Pale green granular aggregate
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Trolleite samples (2) ]

Trolleite
RRUFF ID: R050545
Ideal Chemistry: Al4(PO4)3(OH)3
Locality: near Laws, Mono County, California, USA
Source: University of Arizona Mineral Museum 9814
Owner: RRUFF
Description: Colorless to light blue massive fragment, 2-fold twin around [1 0 2]
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Trolleite samples (2) ]

Trona
RRUFF ID: R050228
Ideal Chemistry: Na3(HCO3)(CO3)·2H2O
Locality: Stauffer mine, Green River, Wyoming, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Aggregate of pale yellowish brown flattened crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Trona samples (2) ]

Trona
RRUFF ID: R050499
Ideal Chemistry: Na3(HCO3)(CO3)·2H2O
Locality: Searles Lake, Trona, San Bernardino County, California, USA
Source: California Institute of Technology W-20820
Owner: RRUFF
Description: Gray columnar massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Trona samples (2) ]

Tsaregorodtsevite
RRUFF ID: R060033
Ideal Chemistry: (N(CH3)4)1+Si4(SiAl)O12
Locality: Yaruta, Man-Hambo Mountain Range, North Urals, Russia
Source: University of Arizona Mineral Museum 16838
Owner: RRUFF
Description: Tan colored pseudo cubo-dodecahedra
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ sodalite (24) ] [ cancrinite-sodalite (37) ]
Quick search: [ All Tsaregorodtsevite samples (2) ]

Tsaregorodtsevite
RRUFF ID: R060373
Ideal Chemistry: (N(CH3)4)1+Si4(SiAl)O12
Locality: Mun-Hambo, north Urals, Hanty- Manskiisky, Autonomous District, Russia
Source: Michael Scott S100284
Owner: RRUFF
Description: Colorless single crystals with octahedral and cubic forms
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Groups: [ sodalite (24) ] [ cancrinite-sodalite (37) ]
Quick search: [ All Tsaregorodtsevite samples (2) ]

Tschermigite
RRUFF ID: R050276
Ideal Chemistry: N3-H4Al(S6+O4)2·12H2O
Locality: near Wamsutter, Wyoming, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Colorless fibrous columnar aggregate
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Alum (5) ]

Tschernichite
RRUFF ID: R060482
Ideal Chemistry: CaAl2Si6O16·8H2O
Locality: Neer Road Pit, Goble, Columbia County, Oregon, USA
Source: Michael Scott S100030
Owner: RRUFF
Description: Colorless steep dipyramidal tetragonal crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Tsepinite-Ca
RRUFF ID: R060833
Ideal Chemistry: (Ca,K,Na)2-x(Ti4+,Nb5+)2Si4O12(OH,O)2·4H2O
Locality: Hackmann Valley, Yukspor Mountain, Khibiny, Kola, Russia
Source: Michael Scott S101008
Owner: RRUFF
Description: Groups of tan colored parallel prismatic crystals associated with eudialyte and arfvedsonite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ labuntsovite (11) ]

Tsepinite-K
RRUFF ID: R070215
Ideal Chemistry: (K,Ba,Na)2(Ti4+,Nb5+)2Si4O12(OH,O)2·3H2O
Locality: Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaya Oblast'; Northern Region, Russia
Source: Michael Scott S100460
Owner: RRUFF
Description: Light orange acicular crystals
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ labuntsovite (11) ]

Tsepinite-Na
RRUFF ID: R070241
Ideal Chemistry: (Na,H3O,K,Sr,Ba,◻)2(Ti4+,Nb5+)2(Si4O12)(OH,O)2·3H2O
Locality: Lepkhe-Nel'm Mt. (Lepkhe-Nelm Mt.), Seidozero Lake, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Source: Michael Scott S100450
Owner: RRUFF
Description: Subparallel pale tan prismatic crystals with vitreous luster
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ labuntsovite (11) ]

Tsumcorite
RRUFF ID: R060081
Ideal Chemistry: Pb2+Zn2+2(As5+O4)2·2H2O
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia
Source: Marcus Origlieri
Owner: RRUFF
Description: Aggregate of yellowish-orange bladed crystals with significant chemical oscillations, associated with green duftite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Natrochalcite (13) ]
Quick search: [ All Tsumcorite samples (3) ]

Tsumcorite
RRUFF ID: R100185
Ideal Chemistry: Pb2+Zn2+2(As5+O4)2·2H2O
Locality: Mina Ojuela (Campo Sur), Mapimi, Durango, Mexico
Source: Marcus Origlieri
Owner: RRUFF
Description: Brilliant brown wedge-shaped crystals on pulverant segnitite, associated with colorless mimetite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Natrochalcite (13) ]
Quick search: [ All Tsumcorite samples (3) ]

Tsumcorite
RRUFF ID: R110036
Ideal Chemistry: Pb2+Zn2+2(As5+O4)2·2H2O
Locality: Tsumeb, Namibia
Source: William W Pinch
Owner: RRUFF
Description: Orange wedge-shaped crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Natrochalcite (13) ]
Quick search: [ All Tsumcorite samples (3) ]

Tsumebite
RRUFF ID: R070446
Ideal Chemistry: Pb2+2Cu2+(PO4)(S6+O4)(OH)
Locality: Tiger mine, Collins Vein, Tiger, Arizona, USA
Source: Joe Ruiz
Owner: RRUFF
Description: Sea blue tabular crystals on quartz associated with yellowish phosphohedyphane, goethite, hematite, cerussite, fluorite, and corkite.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Brackebuschite (17) ]
Quick search: [ All Tsumebite samples (2) ]

Tsumebite
RRUFF ID: R080020
Ideal Chemistry: Pb2+2Cu2+(PO4)(S6+O4)(OH)
Locality: Mex-Tex mine, Bingham, Hansonburg District, Socorro County, New Mexico, USA
Source: William W. Pinch
Owner: RRUFF
Description: Teal-green micro-crystals, massive, associated with quartz
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Brackebuschite (17) ]
Quick search: [ All Tsumebite samples (2) ]

Tsumgallite
RRUFF ID: R100125
Ideal Chemistry: GaOOH
Locality: Tsumeb, Namibia
Source: William W. Pinch
Owner: RRUFF
Description: Pale green platy crystals, associated with galena and tennantite
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Diaspore (11) ]

Tsumoite
RRUFF ID: R080089
Ideal Chemistry: BiTe
Locality: Sredniy Skarn, Tyrnyauz Mo-W Deposit, Baksan Valley, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
Source: Michael Scott S104089
Owner: RRUFF
Description: Aggregates of metallic grey platelets associated with orange grossular
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Tetradymite (8) ]

Tugarinovite
RRUFF ID: R100218
Ideal Chemistry: Mo4+O2
Locality: Mining concentrate
Source: Mike Carducci, Climax Molybdenum Technology Center
Owner: RRUFF
Description: Black unconsolidated powder, representing a mixture with a Mo-oxide.
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Rutile (23) ]

Tugtupite
RRUFF ID: R050278
Ideal Chemistry: Na4BeAlSi4O12Cl
Locality: Kvanefjeld, Ilimaussag, Greenland
Source: Marcus Origlieri
Owner: RRUFF
Description: Pink fine-grained aggregate associated with albite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ cancrinite-sodalite (37) ] [ sodalite (24) ]
Quick search: [ All Tugtupite samples (2) ]

Tugtupite
RRUFF ID: R050562
Ideal Chemistry: Na4BeAlSi4O12Cl
Locality: Kvanefjeld, Ilimaussag, Greenland
Source: Dave Bunk Minerals
Owner: RRUFF
Description: Pink fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Groups: [ cancrinite-sodalite (37) ] [ sodalite (24) ]
Quick search: [ All Tugtupite samples (2) ]

Tuite
RRUFF ID: R120115
Ideal Chemistry: Ca3(PO4)2
Locality: Synthetic, at P = 15 GPa and T = 1300 deg C
Source: Shuangmeng Zhai and Xiande Xie
Owner: RRUFF
Description: Aggregates of small transparent colorless grains
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Palmierite (1) ]

Tumchaite
RRUFF ID: R070047
Ideal Chemistry: Na2Zr4+Si4O11·2H2O
Locality: Vuoriyarvi Massif, Murmansk region, Russia
Source: Michael Scott S105124
Owner: RRUFF
Description: Fragment of a colorless vitreous crystal, co-type material. Associated with minor calcite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Tundrite-(Ce)
RRUFF ID: R060837
Ideal Chemistry: Na2Ce3+2Ti4+O2SiO4(CO3)2
Locality: Barkeviksjaer, Norway
Source: Michael Scott S100907
Owner: RRUFF
Description: Brown elongated bladed crystals associated with white orthoclase and black amphibole
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Tundrite (4) ]
Quick search: [ All Tundrite-(Ce) samples (3) ]

Tundrite-(Ce)
RRUFF ID: R130563
Ideal Chemistry: Na2Ce3+2Ti4+O2SiO4(CO3)2
Locality: Poudrette quarry, Mount St. Hilaire, Quebec, Canada
Source: Don Doell
Owner: RRUFF
Description: Yellow bladed crystals, associated with white orthoclase
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Tundrite (4) ]
Quick search: [ All Tundrite-(Ce) samples (3) ]

Tundrite-(Ce)
RRUFF ID: R130564
Ideal Chemistry: Na2Ce3+2Ti4+O2SiO4(CO3)2
Locality: Ilimaussaq complex, Narsaq, Kitaa, Greenland
Source: Rock Currier
Owner: RRUFF
Description: Aggregates of acicular or bladed yellow crystals associated with albite and aegirine
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Tundrite (4) ]
Quick search: [ All Tundrite-(Ce) samples (3) ]

Tundrite-(Nd)
RRUFF ID: R130565
Ideal Chemistry: Na2Nd3+2Ti4+O2(SiO4)(CO3)2
Locality: Ilimaussaq complex, Narsaq, Kitaa, Greenland
Source: Rock Currier
Owner: RRUFF
Description: Pale tan prismatic crystals associated with green to dark-green prismatic aegirine, white microcline, and pinkish fluorite.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Tundrite (4) ]

Tunellite
RRUFF ID: R050283
Ideal Chemistry: SrB6O9(OH)2·3H2O
Locality: Boron, Kern County, California, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Colorless flattened tabular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Tunellite samples (2) ]

Tunellite
RRUFF ID: R070755
Ideal Chemistry: SrB6O9(OH)2·3H2O
Locality: Jennifer mine, U.S. Borax Mine, Boron, Kramer District, Kern County, California, USA
Source: Michael Scott S103452
Owner: RRUFF
Description: Colorless rhombohedron with defined cleavage
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Tunellite samples (2) ]

Tungstenite
RRUFF ID: R070616
Ideal Chemistry: W4+S2-2
Locality: Emma mine, Little Cottonwood Canyon, Salt Lake County, Utah, USA
Source: James Shigley
Owner: RRUFF
Description: Gray metallic massive, X-ray diffraction shows this to be the 3R polytype. Intimately associated with galena
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Mineral Group: [ Molybdenite (3) ]

Tungstite
RRUFF ID: R050452
Ideal Chemistry: W6+O3·H2O
Locality: Sinaloa (near shared border with Chihuahua and Durango), Mexico
Source: University of Arizona Mineral Museum 13415
Owner: RRUFF
Description: Yellow massive
Status: The identification of this mineral has been confirmed only by chemical analysis
Mineral Group: [ Tungstite (2) ]

Tungusite
RRUFF ID: R070757
Ideal Chemistry: Ca14Fe2+9Si24O60(OH)22
Locality: Nizhnyaya Tunguska River Basin (Lower Tunguska River), Evenkia (Evenkiyskiy Autonomous okrug), Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai), Eastern-Siberian Region, Russia
Source: Michael Scott S104118
Owner: RRUFF
Description: Dark green micaceous flakes
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Gyrolite (5) ]

Tunisite
RRUFF ID: R060776
Ideal Chemistry: NaCa2Al4(CO3)4(OH)8Cl
Locality: Condorcet, Drome, France
Source: Michael Scott S101114
Owner: RRUFF
Description: Transparent colorless tabular crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Tuperssuatsiaite
RRUFF ID: R050223
Ideal Chemistry: Na2(Fe3+,Mn2+)3Si8O20(OH)2·4H2O
Locality: Aris phonolite, Windhoek, Namibia
Source: Marcus Origlieri
Owner: RRUFF
Description: Group of reddish brown radiating acicular crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Palygorskite (2) ]

Turkestanite
RRUFF ID: R060525
Ideal Chemistry: (K,◻)(Ca,Na)2Th4+Si8O20·nH2O
Locality: DeMix Quarry, Mont St. Hilaire, Rouville County, Quebec, Canada
Source: Michael Scott S100210
Owner: RRUFF
Description: Divergent group of brown rectangular prisms
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Steacyite (4) ]

Turneaureite
RRUFF ID: R070758
Ideal Chemistry: Ca5(As5+O4)3Cl
Locality: ZCA mine No. 4 (St Joe mine), Balmat, Balmat-Edwards Zinc District, St Lawrence County, New York, USA
Source: Michael Scott S104122
Owner: RRUFF
Description: Colorless to grayish white massive that fluoresces bright orange under SW UV.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Apatite (56) ]

Turquoise
RRUFF ID: R050225
Ideal Chemistry: Cu2+Al6(PO4)4(OH)8·4H2O
Locality: Badger Prospect, Lander County, Nevada, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Light blue massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ turquoise (9) ]
Quick search: [ All Turquoise samples (3) ]

Turquoise
RRUFF ID: R050418
Ideal Chemistry: Cu2+Al6(PO4)4(OH)8·4H2O
Locality: Panoche Valley, San Benito County, California, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Pale-blue botryoidal crust on colorless quartz
Status: The identification of this mineral has been determined only by Raman spectroscopy
Mineral Group: [ turquoise (9) ]
Quick search: [ All Turquoise samples (3) ]

Turquoise
RRUFF ID: R050554
Ideal Chemistry: Cu2+Al6(PO4)4(OH)8·4H2O
Locality: Bishop mine, Lynch Station, Campbell County, Virginia, USA
Source: Dave Bunk Minerals
Owner: RRUFF
Description: Group of blue bladed crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ turquoise (9) ]
Quick search: [ All Turquoise samples (3) ]

Turtmannite
RRUFF ID: R070089
Ideal Chemistry: Mn2+25O5(V5+O4)3(SiO4)3(OH)20
Locality: Pipjigletscher, Turtmanntal, Wallis, Switzerland
Source: Michael Scott S105123
Owner: RRUFF
Description: Yellow micaceous
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Hematolite (6) ]

Tuscanite
RRUFF ID: R050324
Ideal Chemistry: KCa6(Si,Al)10O22(S6+O4,CO3)2(OH)·H2O
Locality: Valle Biachella, Sacrofano, Roma, Lazio, Italy
Source: Marcus Origlieri
Owner: RRUFF
Description: Colorless platy crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Tuzlaite
RRUFF ID: R120036
Ideal Chemistry: NaCaB5O8(OH)2·3H2O
Locality: Tuzla mine, Tuzla, Tuzla Canton, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina
Source: Bob Jenkins
Owner: RRUFF
Description: Seam of colorless massive fibers
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Tvalchrelidzeite
RRUFF ID: R061128
Ideal Chemistry: Hg2+3Sb3+As3-S2-3
Locality: Gomi deposit, Rioni River Valley, Caucacus Mountains, Georgia
Source: Michael Scott S105127
Owner: RRUFF
Description: Black submetallic with internal red hints, no distinct crystal forms
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Tveitite-(Y)
RRUFF ID: R060895
Ideal Chemistry: (Y,Na)6(Ca,Na,Y)12(Ca,Na)F42
Locality: Rov-Gora, West Keivy, Kola Peninsula, Russia
Source: Michael Scott S100983
Owner: RRUFF
Description: Pink massive
Status: The identification of this mineral has been confirmed by X-ray diffraction.

Tweddillite
RRUFF ID: R120125
Ideal Chemistry: CaSrMn3+2Al(Si2O7)(SiO4)O(OH)
Locality: Wessels mine, Kalahari manganese field, Cape Province, South Africa
Source: William W. Pinch
Owner: RRUFF
Description: Sprays of dark red elongated crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Groups: [ clinozoisite (16) ] [ epidote (31) ]

Tychite
RRUFF ID: R050218
Ideal Chemistry: Na6Mg2(CO3)4(S6+O4)
Locality: Searles Lake, Trona, San Bernardino County, California, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Colorless octahedral crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Northupite (3) ]
Quick search: [ All Tychite samples (2) ]

Tychite
RRUFF ID: R060700
Ideal Chemistry: Na6Mg2(CO3)4(S6+O4)
Locality: Borax Lake, Lake County, California
Source: Michael Scott S100041
Owner: RRUFF
Description: Colorless octahedra
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Northupite (3) ]
Quick search: [ All Tychite samples (2) ]

Tyrolite
RRUFF ID: R050231
Ideal Chemistry: Ca2Cu2+9(As5+O4)4(CO3)(OH)8·11H2O
Locality: Tyrol, Austria
Source: Marcus Origlieri
Owner: RRUFF
Description: Thin green scaly crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Tyrolite (3) ]
Quick search: [ All Tyrolite samples (3) ]

Tyrolite
RRUFF ID: R050571
Ideal Chemistry: Ca2Cu2+9(As5+O4)4(CO3)(OH)8·11H2O
Locality: Penamellera, Spain
Source: University of Arizona Mineral Museum 8693
Owner: RRUFF
Description: Pale blue foliated coating, tyrolite-2M polytype
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Tyrolite (3) ]
Quick search: [ All Tyrolite samples (3) ]

Tyrolite
RRUFF ID: R060264
Ideal Chemistry: Ca2Cu2+9(As5+O4)4(CO3)(OH)8·11H2O
Locality: Lovelock mine, Bolivia, Cottonwood Canyon, Churchill County, Nevada, USA
Source: Michael Scott S100064
Owner: RRUFF
Description: Greenish-blue flat bladed crystals in radial aggregates
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Tyrolite (3) ]
Quick search: [ All Tyrolite samples (3) ]

Tyrrellite
RRUFF ID: R060481
Ideal Chemistry: Cu2+(Co3+,Ni3+)2Se2-4
Locality: Eagle Claims, near Hal Lake, Beaverlodge Lake area, Saskatchewan, Canada
Source: Michael Scott S100238
Owner: RRUFF
Description: Gray metallic bleb
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Spinel (66) ]

Tyuyamunite
RRUFF ID: R060983
Ideal Chemistry: Ca(U6+O2)2(V5+O4)2·5-8H2O
Locality: Ridenour mine, Coconino, Arizona, USA
Source: Bob Jenkins
Owner: RRUFF
Description: Thin platy lemon yellow crystals associated with green tangeite
Status: The identification of this mineral is not yet confirmed.
Quick search: [ All Tyuyamunite samples (2) ]

Tyuyamunite
RRUFF ID: R070232
Ideal Chemistry: Ca(U6+O2)2(V5+O4)2·5-8H2O
Locality: Tyuya-Muyun Cu-V-U Deposit, Tyuya-Muyun Hill, Fergana Valley, Osh Oblast, Kyrgyzstan
Source: Michael Scott S105983
Owner: RRUFF
Description: Yellow platy crystals and veinlets on calcite
Status: The identification of this mineral is not yet confirmed.
Quick search: [ All Tyuyamunite samples (2) ]
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