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Dioptase On Plancheite

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CR172696

Dioptase On Plancheite

Description Tabs

Description
Locality: 
Steiner Mine, Farm Aussicht, Kaokoveld Plateau, Kunene Region, Namibia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.8 × 2 cm
Description

Beautiful lustrous and sharp, deep green translucent dioptase crystals nicely set on a bed of blue plancheite.

Very nice specimen from Dr. Olaf Mendenbach collection.

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...

Plancheite

Formula: 
Cu8(Si8O22)(OH)4·H2O
Strunz: 
9.DB.35
Crystal System: 
Orthorhombic
Hardness: 
6.0
Type Locality: 
Sanda carriere (Sanda quarry; Sanda Mine), Mindouli, Mindouli District, Pool Department, Republic of Congo (Brazzaville)
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