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Malachite & Duftite On Cuprite

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CR12154

Malachite & Duftite On Cuprite

Description Tabs

Description
Locality: 
United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 3.2 × 2.6 cm
Description

Nice balls of deep green malachite crystal balls sitting on a rich cuprite ore matrix with light green microcrystaline duftite masses.

Interesting and unusual specimen.

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

Duftite

Formula: 
PbCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Cuprite

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