Mineral Specimen Images (T)

Tungstite: WO3·(H2O)

Comments: Yellow tungstite.
Location: San Antonio de Calacalani mine, Cercado, Oruro, Bolivia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Tungusite: [Ca14(OH)8](Si8020)(Si8020)2[Fe++9(OH)14]

Comments: Green to white platy tungusite rosettes.
Location: Nizhnyaya Tunguska River, near Tura, Evenkia, Krasnoyarsk Territory, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tunisite: NaCa2Al4(CO3)4(OH)8Cl

Comments: Transparent pearly platy tunisite microcrystal.
Location: Condorcet, Drome, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tuperssuatsiaite: Na(Fe+++,Mn)3[Si8O20](OH)2·n(H2O)  
Aluminoferrotschermakite: [ ]Ca2(Fe2+)3Al2(Si6Al2)O22(OH)2

Comments: Golden acicular tuperssuatsiaite crystal spray with clear apophyllite and dark green aluminoferrotschermigite.
Location: Aris Quarry, Khomas, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tuperssuatsiaite: Na(Fe+++,Mn)3[Si8O20](OH)2·n(H2O)

Comments: Rich, brown tufts up to 0,4 cm of acicular tuperssuatsiaite crystals on a phonolite matrix.
Location: Aris Phonolite, Namibia. Scale: Picture size 4 cm.
© Sandro Maggia/Minernet.it

Tuperssuatsiaite: Na(Fe+++,Mn)3[Si8O20](OH)2·n(H2O)

Comments: Two mm golden acicular sprays of tuperssuatsiaite on matrix.
Location: Aris Quarry, Windhoek, Namibia. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Turanite: Cu5(VO4)2(OH)4

Comments: The holotype specimen of botryodal, olive green turanite (#3578) in a cavite in white barite from the collection of the Fersman Mineralogical Museum (Moscow, Russia). (CanMin, v 42, p732).
Location: Tyuya-Muyun Ra-U deposit, the Alai Ridge foothills, Osh district, Kyrgyzstan. Scale: Specimen size 4.5 x 7.5 cm.
© N.A. Pekova

Turanite: Cu5(VO4)2(OH)4

Comments: SEM image of turanite crystals (a) parallel intergrown crystals.
Location: Tyuya-Muyun Ra-U deposit, the Alai Ridge foothills, Osh district, Kyrgyzstan. Scale: See ImaGE.
© Canadian Mineralogist

Turkestanite: Th(Ca,Na)2(K1-x,[ ]x)Si8O20·n(H2O)

Comments: Green, blocky, prismatic crystal of turkestanite in matrix.
Location: Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Districts of the Republican Subordination, Tajikistan. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Turneaureite: Ca5[(As,P)O4]3Cl  
Donpeacorite: (Mn,Mg)MgSi2O6  
Parvowinchite: Na(NaMn++)(Mg4Fe+++)Si8O22(OH)2

Comments: Colorless, transparent turneaureite masses with light brown tirodite (parvowinchite) and darker brown donpeacorite.
Location: 2500' level of the mine, ZCA Mine No. 4 (St Joe Mine; ZCA No. 4 mine), Balmat, Balmat-Edwards Zinc District, St Lawrence Co., New York, USA. Scale: Picture Size 0.5 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Turquoise: CuAl6(PO4)4(OH)8·4(H2O)

Comments: Blue, triclinic crystals (rare) of turquoise on matrix.
Location: Lynch Station, Campbell County, Virginia, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Turtmannite: (Mn,Mg)25.5[(V,As)O4]3(SiO4)3[AsO3]xO5-5x(OH)20+x

Comments: Orange-brownish grains of turtmannite in matrix.
Location: Pipji Glacier, Turtmanntal (Turtmann Valley), Wallis (Valais), Switzerland. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Tuscanite: K(Ca,Na)6(Si,Al)10O22(SO4,CO3,(OH)2)·(H2O)  
Augite: (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6

Comments: Translucent tuscanite microcrystal in in vug in low-Fe augite (var. fassaite).
Location: Pitigliano Quarry, Grosseto, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tuzlaite: NaCaB508(0H)2·3(H2O)

Comments: Prismatic colorless crystals of tuzlaite.
Location: Niedersachswerfen, Nordhausen, Harz Mts, Thuringia, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Tychite: Na6Mg2(CO3)4(SO4)

Comments: Nearly transparent tychite crystal.
Location: Searles Lake, San Bernardino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tyretskite: Ca2B5O9(OH)·(H2O)

Comments: Gray granular tyretskite coating.
Location: Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tyrolite: CaCu5(AsO4)2(CO3)(OH)4·6(H2O)

Comments: Blue, crystalline aggregates of tyrolite on matrix.
Location: Lake Serene mine, Index, Snohomish County, Washington, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Tyrolite: CaCu5(AsO4)2(CO3)(OH)4·6(H2O)

Comments: Blue-green flattened, felted, platy crystals of tyrolite to 3mm on matrix.
Location: Centennial Eureka mine, Juab Co., Utah, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Tyrrellite: (Cu,Co,Ni)3Se4  
Umangite: Cu3Se2

Comments: Bright metallic partial cubic tyrrellite crystal in altering umangite.
Location: Eagle Claims, near Hal Lake, Beaverlodge, Saskatchewan, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tyuyamunite: Ca(UO2)2V2O8·5-8(H2O)

Comments: Yellow tyuyamunite crystals 1 mm in size.
Location: Marie Mine, Carbon Co., Montana. USA. Scale: picture size 2 cm..
© John Veevaert