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Chalcocite Pyrite & Quartz

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DVE90469

Chalcocite Pyrite & Quartz

Ex-David J. Eicher Collection; ex-John H. Eicher Collection

Description Tabs

Description
Locality: 
Bingham Canyon, Salt Lake County, Utah, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 3.9 × 2.5 cm
Description

Silver-gray chalcocite crystals with minor pyrite and quartz; an old-time piece collected in the 1940s.

Mineral Data
What's on the rock

Chalcocite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
David J. Eicher

Seller Information

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