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Calcite

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MGR675774

Calcite

Description Tabs

Description
Locality: 
Ambariomiambana, Ambohimalaza Commune, Sambava District, Sava, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.7 × 6.8 × 5.8 cm
Description

A novelty from Madagaskar! An attractive group in which the sharpness of the crystals stands out. They stand out for their colour, billiance and the presence of extraordinarily unusual twinning formed by the interpenetration of two rombohedra. The crystals are really transparent and of glassy charakter! Hard to photograph, much better in person.

Mineral Data
What's on the rock

Calcite

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