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Gersdorffite & Calcite

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KAT728374

Gersdorffite & Calcite

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Description
Locality: 
Bou Azzer, Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 6.5 × 3.6 cm
Description

sharp lead-gray gersdorffite crystals combined with white calcite

Mineral Data
What's on the rock

Gersdorffite

Formula: 
NiAsS
Strunz: 
2.EB.25
Crystal System: 
Isometric
Hardness: 
5.5
Type Locality: 
Zinkwand, Obertalbach valley, Schladminger Tauern, Schladming, Styria, Austria

Calcite

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

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