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Aragonite On Calcite

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MEX652876

Aragonite On Calcite

Classic Locality

Description Tabs

Description
Locality: 
Barega Mine, Iglesias, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 5.5 × 3.8 cm
Weight: 
116.00gr
Description

Nearly colorless aragonite needles on sinter calcite. A nice specimen from old mine on sardinia.

Mineral Data
What's on the rock

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

Calcite

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