Tephroite Mineral Gallery

Tephroite Mineral Gallery
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Tephroite Mineral Gallery With 3 Images

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Tephroite: Mn2SiO4

Comments: Sharp crystals of tephroite to 1.2 cm across.
Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: Picture size 5 cm.
© John Veevaert

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Tephroite: Mn2SiO4  
Ericssonite: BaMn++2Fe+++O[Si2O7](OH)  
Orthoericssonite: BaMn2(Fe+++O)Si2O7(OH)

Comments: Dark brown ericssonite, intergrown with orthoericssonite, with pink rhodonite, light brown diopside (var. schefferite) and gray tephroite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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Tephroite: Mn2SiO4  
Johnbaumite: Ca5(AsO4)3(OH)

Comments: Violet crystalline massive johnbaumite with brown tephroite.
Location: Jacobsberg, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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