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Calcite & Amethyst

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MGR843470

Calcite & Amethyst

Description Tabs

Description
Locality: 
Iraí, Rio Grande do Sul, Brazil
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.6 × 6.8 × 7.4 cm
Description

Great ensamble of a well formed and and perfectly crystallized clalcite crystal set on top and inbetween a sparkling cluster of deep purple amethyste crystals. The calcite also shows dark phantoms in the center of the crystal which makes this specimen even more unique.

Mineral Data
What's on the rock

Calcite

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

Amethyst

Variety Of: 

Quartz

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