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Dioptase

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CLB112608

Dioptase

Classic Locality

Description Tabs

Description
Locality: 
Renéville Mine, Kindamba District, Pool Region, Congo (Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3.7 × 1.6 cm
Description

Massive dioptase specimen with crystals up to 0.6 cm. Unfortunately the big crystals on the front have no luster. The smaller crystals in the vugs on the backside however, show good luster. As always, the color of dioptase is impossible to reproduce. A strange elongated crystal on the backside.

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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