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Covellite & Pyrite

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NST704956

Covellite & Pyrite

Description Tabs

Description
Locality: 
Butte, Silver Bow County, Montana, United States of America
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.5 × 4 cm
Description

A sample of iridescent, dark blue Covellite in combination with Pyrite.

Mineral Data
What's on the rock

Covellite

Formula: 
CuS
Strunz: 
2.CA.05a
Crystal System: 
Hexagonal
Hardness: 
1.5 - 2.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Pyrite

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