Mineral Specimen Images (T)

Tundrite-(Ce): Na2Ce2TiO2(SiO4)(CO3)2

Comments: Brown elongated bladed tundrite-(Ce) crystals associated with white orthoclase and black amphibole.
Location: Barkeviksjaer, Norway. Scale: See Image.
© Rruff Database

Tundrite-(Ce): Na2Ce2TiO2(SiO4)(CO3)2

Comments: Prismatic, yellowish, terminated tundrite-(Ce) crystal (CanMin, v46:415).
Location: Mont Saint-Hilaire, Quebec. Scale: Crystal size 7 mm.
© Quintin Wight/Canadian Mineralogist

Tunellite: SrB6O9(OH)2·3(H2O)

Comments: Clear, prismatic crystals of tunellite on matrix.
Location: Death Valley, Inyo County, California, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Tunellite: SrB6O9(OH)2·3(H2O)

Comments: Clear, prismatic crystals of tunellite on matrix.
Location: Death Valley, Inyo County, California, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Tungstenite: WS2

Comments: Tungstenite, variety tungstenite-2H, gray metallic flakes in rock.
Location: Rita, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tungstenite: WS2

Comments: Tungstenite, variety tungstenite-2H, gray metallic flakes in rock.
Location: Rita, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tungstibite: Sb2O3·WO3

Comments: Dark olive-green spherical aggregate of tungstibite in matrix.
Location: Clara Mine, Oberwolfach, Wolfach Valley, Black Forest, Baden-Württemberg, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Tungstibite: Sb2O3·WO3

Comments: Dark olive-green spherical aggregate of tungstibite in matrix.
Location: Clara Mine, Oberwolfach, Wolfach Valley, Black Forest, Baden-Württemberg, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Tungstite: WO3·(H2O)

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

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

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

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

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

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