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Arthurite & Chalcocite

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BCK719089

Arthurite & Chalcocite

Martin Jensen collection
Classic Locality

Description Tabs

Description
Locality: 
Majuba Hill Mine, Antelope, Pershing County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.7 × 1.6 cm
Description

You are bidding on a very nice thumbnail with a large vug in chalcocite hosting beautiful clusters of arthurite crystals! Collected in 1988 by Martin at Majuba Hill. Very nice contrast on these crystals with the chalcocite matrix. 

Mineral Data
What's on the rock

Arthurite

Formula: 
CuFe3+2(AsO4)2(OH)2·4H2O
Strunz: 
8.DC.15
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 4.0
Type Locality: 
Hingston Down Consols, Clitters United Mines, Gunnislake, Calstock, Callington District, Cornwall, England, UK

Chalcocite

Formula: 
Cu2S
Strunz: 
2.BA.05
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0

Seller Information

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