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Dioptase

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PDM642644

Dioptase

Description Tabs

Description
Locality: 
Renéville Mine, Kindamba District, Pool Region, Congo (Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 5 × 2.4 cm
Largest Crystal: 
1.90cm
Description

Classic glassy lustrous dioptase crystals from the Renéville (Ex. French Congo). The biggest crystal is 19x14 mm in size, and the green colour is much saturated than shown in the pictures.

A nice piece from the J. Sauzieres (FR) collection.

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...

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