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Calcite Psm Gypsum

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ESM744715

Calcite Psm Gypsum

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 5 cm
Description

White calcite replacing gypsum crystals

Mineral Data
What's on the rock

Calcite

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

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.
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