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Pyrite & Pyrrhotite

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KFT151383

Pyrite & Pyrrhotite

Description Tabs

Description
Locality: 
Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
Size Range: 
Cabinet (10-18 cm)
Size: 
10.1 × 7 × 3.2 cm
Description

Golden glossy Pyrite not free of contacts. What this specimen makes so special is that the Pyrite is here and there grown over by pyrrhotite

Mineral Data
What's on the rock

Pyrite

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

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0