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Calcite With Chalcopyrite On Dolomite

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RAF82136

Calcite With Chalcopyrite On Dolomite

Description Tabs

Description
Locality: 
Sweetwater Mine, Ellington, Reynolds County, Missouri, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 7 × 5.5 cm
Largest Crystal: 
6.30cm
Description

An outstanding specimen of calcite crystals with chalcopyrite on dolomite. The specimen came out from Miliken Mine. Taken out July 2003. A very fine clasic specimen. Weight: 345.7grams

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White