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Pyrite & Dolomite

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ESM744667

Pyrite & Dolomite

Description Tabs

Description
Locality: 
Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 8 × 4 cm
Description

Brassy pyrite crystals hosting small white dolomite crystals

Mineral Data
What's on the rock

Pyrite

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

Dolomite

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