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Dioptase

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PCZ653744

Dioptase

Description Tabs

Description
Locality: 
Malpaso Quarry, Dumesnil, Colón Department, Córdoba, Argentina
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 11 × 7 cm
Description

Sharp, bright green dioptase crystals nicely scattered across 50% of the matrix. A good specimen from this rarely offered locality for the species. 

(L)

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...
Peter Crozier Minerals