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Dioptase On Cuprite With Plancheite & Malachite

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CLB124097

Dioptase On Cuprite With Plancheite & Malachite

Classic Locality

Description Tabs

Description
Locality: 
Omaue Mine, Kaokoveld Plateau, Kunene Region, Namibia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.4 × 2.5 cm
Description

Very nice dark green dioptase crystals on massive dark red cuprite (not pictured) with whitish plancheite and minor malachite. Of course, the dioptase colopr is much better in nature.

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...

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

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)

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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