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Quartz Calcite & Chalcopyrite

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CLD109763

Quartz Calcite & Chalcopyrite

Description Tabs

Description
Locality: 
Ocna de Fier, Banat Mountains, Caraş-Severin County, Romania
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 5 cm
Description

Group of quartz crystals with chlorite with calcite and chalcopyrite. From an old romanian collection from the end of '80-

Mineral Data
What's on the rock

Quartz

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

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

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