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Dioptase

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SMS1069484

Dioptase

Description Tabs

Description
Locality: 
Kaokoveld Plateau, Kunene Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 2.7 × 1.4 cm
Largest Crystal: 
1.30cm
Weight: 
7.39gr
Description

The specimen has a small intergrown cluster of dioptase crystals on quartz and some minor chrysocolla present on the underside as well. The crystals are intergrown with one crystal standing out. The crystals surface are semi-lustrous and their colour is a deep emerald green. The largest crystal measures 1.3cm. There is one crystal which has broken off at the 'root'.

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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