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Dolomite Psm Aragonite

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CR136375

Dolomite Psm Aragonite

Classic Locality

Description Tabs

Description
Locality: 
Banská Štiavnica, Banská Štiavnica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 6 × 3 cm
Description

Large dolomite crystals psm aragonite covered by sparkling pyrite.

Very attractive and rare specimen from Hoffmann collection.

Mineral Data
What's on the rock

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain