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Domeykite & Algodonite

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FNW55799

Domeykite & Algodonite

Description Tabs

Description
Locality: 
Mohawk Mine, Mohawk, Keweenaw County, Michigan, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.4 × 1.2 cm
Description

A piece from the famous Mohawk Mine.

Solid specimen of domeykite and algodonite. Both are rare copper arsenide.

Old-time material from an old collection. Sorry, no old label.

Mineral Data
What's on the rock

Domeykite

Formula: 
Cu3As
Strunz: 
2.AA.10b
Crystal System: 
Isometric
Hardness: 
3.0 - 3.5
Type Locality: 
Los Algodones Mine, Los Algodones district, El Arrayan, La Serena, Elqui Province, Coquimbo Region, Chile

Algodonite

Formula: 
(Cu1-xAsx)
Strunz: 
2.AA.10a
Crystal System: 
Hexagonal
Hardness: 
4.0
Type Locality: 
Los Algodones Mine, El Arrayan, Elqui Province, Coquimbo Province, Chile
Fine Minerals World