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Dioptase & Plancheite

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CR1086022

Dioptase & Plancheite

Description Tabs

Description
Locality: 
Indus Mine, Renéville, Kindamba District, Pool Region, Congo (Republic)
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 6 × 2.3 cm
Largest Crystal: 
1.00cm
Description

Lustrous and deep green dioptase crystals up to 10 mm in length sitting attractive on matrix with blue acicular crystal clusters of plancheite from recent find at the Indus Mine, Rep. Congo.

Very atractive and beautiful specimen. Sawn base.

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)