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Dioptase In Calcite

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Dioptase In Calcite

Description Tabs

Description
Locality: 
Van der Plas Mine, Kaokoveld Plateau, Kunene Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.5 × 2.5 cm
Largest Crystal: 
1.20cm
Weight: 
53.00gr
Description

A fine specimen of dioptase in calcite crystals on matrix. Trimmed with a trim saw on one side. From Van Der Plas Mine.

Mineral Data
What's on the rock

Dioptase

Formula: 
CuSiO3·H2O
Strunz: 
9.CJ.30
Crystal System: 
Trigonal
Hardness: 
5.0
Streak: 
Green
Type Locality: 
Altyn-Tyube dioptase deposit (Altyn-Tube), Altyn-Tyube area, Kirghiz Steppes (Asiatic Steppes), Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan...

Calcite

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