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Terrywallaceite & Treasurite

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JYJ930725

Terrywallaceite & Treasurite

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Description Tabs

Description
Locality: 
Kaňk, Kutná Hora, Central Bohemian Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.3 × 1 cm
Description

Grey metallic terrywallaceite and treasurite in quartz matrix. 

Rare mineral. 

 

Mineral Data
What's on the rock

Terrywallaceite

Formula: 
AgPb(Sb,Bi)3S6
Crystal System: 
Monoclinic
Hardness: 
4 -
Colour: 
Black metallic
Type Locality: 
Level 390, Vein 14, Herminia Mine, Julcani District, Angaraes Province, Huancavelica Department, Peru
Isostructural with: 
Gustavite

Treasurite

Formula: 
Ag7Pb6Bi15S32
Strunz: 
2.JB.40a
Hardness: 
0.0
Colour: 
Black
Type Locality: 
Treasury Vault Mine, Geneva District, Park Co., Colorado, USA