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Malachite Shattuckite Quartz & Dioptase

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ADMN14974

Malachite Shattuckite Quartz & Dioptase

Description Tabs

Description
Locality: 
Kandesei, Kaokoveld Plateau, Kunene Region, Namibia
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.6 × 6.1 × 2.8 cm
Description

An excellent combination specimen of quartz matrix with bands of shattuckite, some copper, chrysocolla and dioptase.

The display face has long lathes of crystallised primary malachite over shattuckite partially covered with quartz. A few razor sharp dioptase crystals are seen standing on the quartz.

Mineral Data
What's on the rock

Malachite

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

Shattuckite

Formula: 
Cu5(Si2O6)2(OH)2
Strunz: 
9.DB.40
Crystal System: 
Orthorhombic
Hardness: 
3.5
Type Locality: 
Shattuck Mine (Shattuck-Denn Mine; Shattuck-Arizona Mine; Denn Mine), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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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