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Empressite & Mackayite

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CLB210050

Empressite & Mackayite

Rare Mineral

Description Tabs

Description
Locality: 
Klondike Mine, Bonanza, Saguache County, Colorado, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3 × 1.5 cm
Description

Rare dark gray empressite (silver-tellur) and even rarer mackayite (greenish micro crystals/crusts), possibly with altaite (lead-tellur).

Mineral Data
What's on the rock

Empressite

Formula: 
AgTe
Strunz: 
2.CB.80
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Empress Josephine Mine (Empress Josephine and Boss Mammoth Claims), Bonanza, Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA

Mackayite

Formula: 
Fe3+(Te4+2O5)(OH)
Strunz: 
4.JL.10
Hardness: 
4.5
Type Locality: 
Mohawk Mine, Goldfield, Goldfield District, Esmeralda Co., Nevada, USA

Seller Information

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