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Dioptase

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ADMN14968

Dioptase

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Description
Locality: 
Kandesei, Kaokoveld Plateau, Kunene Region, Namibia
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.8 × 4 × 3.2 cm
Description

A bar of cherty quartz is partially covered with earthy chrysocolla and mass of gemmy sharp dioptase crystals, mostly double terminated.

Semi standing at the centre is a lovely single larger crystal 12mm tall.

Excellent specimen of dioptase from Kaokoveld.

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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