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Amethyst & Calcite

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MGR969020

Amethyst & Calcite

Description Tabs

Description
Locality: 
Minas Gerais, Minas Gerais, Brazil
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 6.4 × 6.5 cm
Description

Fantastic example of amethyst in combination with calcite from Brazil. The amethyst crystals show a fantastic deep colour and in the center of the specimen there are two different types of calcite crystallised which gives an incredible appearence to the piece.

Mineral Data
What's on the rock

Amethyst

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Colour: 
Purple

Calcite

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