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Cornwallite

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CHP912238

Cornwallite

Classic Locality

Description Tabs

Description
Locality: 
Cerro do Algaré Mine, Almodôvar, Beja District, Portugal
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.5 × 1.4 cm
Description

specimen with some very good intense green crystalline aggregates of cornwallite on matrix.

c. 4275

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

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