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Pyrite & Calcite

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SER890833

Pyrite & Calcite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
San Giovanni Mine, Punta della Torre, Iglesias, Carbonia-Iglesias Province, Sardinia, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 0.3 × 0.5 cm
Description

hundreds elongated pyrite crystals on calcite

Mineral Data
What's on the rock

Pyrite

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

Calcite

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