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Calcite Chalcopyrite & Dolomite

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ESM744708

Calcite Chalcopyrite & Dolomite

Description Tabs

Description
Locality: 
Sweetwater Mine, Ellington, Reynolds County, Missouri, United States of America
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 9 × 5 cm
Description

Sharp translucent terminated (some doubly terminated) calcite crystals on matrix with minor chalcopyrite crystals and white dolomite crystals on the reverse side

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