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Clinoclase With Cornwallite & Malachite

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CLB145882

Clinoclase With Cornwallite & Malachite

Classic Locality

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 1 cm
Description

Dark blue, lustrous crystal aggregates of clinoclase with turquoise-blue cornwallite and fir-green malachite. I'm not so sue about the malachite - maybe something more interesting ...?

Mineral Data
What's on the rock

Clinoclase

Formula: 
Cu3(AsO4)(OH)3
Strunz: 
8.BE.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Cornwallite

Formula: 
Cu5(AsO4)2(OH)4
Strunz: 
8.BD.05
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Malachite

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

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