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Shattuckite With Malachite On Quartz

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RBR92275

Shattuckite With Malachite On Quartz

Description Tabs

Description
Locality: 
Kaokoveld Plateau, Kunene Region, Namibia
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 9 × 8 cm
Description

The section with the shattuckite is about 6 x 6cm. The spheres of shattuckite are up to ~1cm across. Some very glossy malachite is also present – it shows a negative-impression of a shattuckite-sphere.

There is absolutely no damage and the colour is best. Above the shattuckite-cavern there is a crystallized quartz with some shattuckite-inclusions and a further group of shattuckite above this quartz.

Please note the dimension, also the quality is remarkable – this is one killer, belongs to the best, what the locality produced.

Mineral Data
What's on the rock

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

Malachite

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

Quartz

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

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