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Calcite

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MGR182087

Calcite

Description Tabs

Description
Locality: 
San Giovanni Mine, Punta della Torre, Iglesias, Carbonia-Iglesias Province, Sardinia, Italy
Size Range: 
Cabinet (10-18 cm)
Size: 
10.4 × 6.9 × 6.9 cm
Description

The specimen is much better in person, it is very difficult to show the tridimensional impression on a photo. There a lot of intergrown crystals, some of them very fragile. Well developed front and backside. Some crystals show a grey layer, which helps to give more contrast to the piece. No significant damages to report.

Mineral Data
What's on the rock

Calcite

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