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Dioptase & Plancheite

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CAM204302

Dioptase & Plancheite

Description Tabs

Description
Locality: 
Mindouli, Pool Region, Congo (Republic)
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 6.5 × 3.7 cm
Largest Crystal: 
0.70cm
Description

A good coverage of bright, sharp dioptase crystals up to 7 mm on matrix associated with light blue balls of plancheite.
A very fine display piece.
Type Locality for plancheite.

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)
Cartils Minerals

Seller Information

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