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Calcite With Pyrite

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PCZ183395

Calcite With Pyrite

Rare Mineral

Description Tabs

Description
Locality: 
Příbram District, Central Bohemian Region, Czech Republic
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.4 × 1.5 cm
Description

A highly unusual and attractive specimen of rare black calcite crystals up to 0.9 cm across. between the calcites are a few sparkling pyrite crystals up to 0.6 cm in length. A very interesting specimen from an uncommon locality.

Mineral Data
What's on the rock

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
Peter Crozier Minerals