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Quartz Calcite & Pyrite

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KFT75836

Quartz Calcite & Pyrite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 7 × 3.5 cm
Description

A larger sized combination specimen with a good lustre all round.

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5