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Dolomite & Pyrite

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MEX211998

Dolomite & Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Stolzembourg Copper Mine, Stolzembourg, Vianden, Diekirch District, Luxembourg
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5.4 × 3.5 cm
Description

Nice specimen with good dolomite crystals as matrix for limonitic pyrite crystals. Few shows still away the golden color. The dolomite is nearly free of damage.

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

Pyrite

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