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Cornwallite

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LCM38911

Cornwallite

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Description
Locality: 
Potts Gill, Caldbeck Fells, Cumbria, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2 × 2 cm
Description

A mass of green cornwallite on a baryte and quartz matrix.

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
Lakeland Crystals and Minerals
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