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Calcite & Chalcopyrite

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ESM584260

Calcite & Chalcopyrite

Description Tabs

Description
Locality: 
Brushy Creek Mine, Greeley, Reynolds County, Missouri, United States of America
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 5.5 cm
Description

Grey calcite crystals partially covered with chalcopyrite crystals

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