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Dioptase

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HGM14916

Dioptase

Description Tabs

Description
Locality: 
Omaue Mine, Kaokoveld Plateau, Kunene Region, Namibia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.9 × 4.1 × 2.3 cm
Largest Crystal: 
2.00cm
Description

A gorgeous emerald-green (more green than the pictures) glassy group of dioptase crystals from the Omaue Mine in the Kaokoveld.

The only criticism that I can give on this piece is that the largest crystal (2cm!) has a contact (NOT a damage) on the top termination and this does influence the price - but it is still a superb and rare display specimen.

NHOG 133

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...
House of Gems