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Dioptase

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DPH76475

Dioptase

Description Tabs

Description
Locality: 
Álamos, Álamos Municipality, Sonora, Mexico
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 4 × 3 cm
Description

Dioptase specimens of Namibia and Congo are pretty, but have you ever seen one of from Mexico.
That is an old specimen from Alamos, Sonora, included with a Krantz label.

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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