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Cornwallite & Malachite

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CHA672272

Cornwallite & Malachite

Classic Locality

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 9 × 2 cm
Largest Crystal: 
210.00cm
Description

fantastic specimen with a hundred dark green balls of cornwallite on white matrix of baryte with associate many green balls of malachite: very good specimen

Mineral Data
What's on the rock

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

Seller Information

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