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Calcite Quartz & Chalcopyrite

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CR12078

Calcite Quartz & Chalcopyrite

Description Tabs

Description
Locality: 
Baia Sprie Mine, Baia Sprie, Maramureș County, Romania
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.3 × 2.6 cm
Description

Very beautiful specimen with large tabular calcite crystals with gemmy clear quartz and chalcopyrite and minor pyrite.

Collected in 1981

Mineral Data
What's on the rock

Calcite

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

Quartz

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

Chalcopyrite

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