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Liroconite & Clinoclase

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MMM33787

Liroconite & Clinoclase

Description Tabs

Description
Locality: 
Wheal Gorland, St Day, Cornwall, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 3 × 1.5 cm
Description

A fabulous thumb nail specimen of green & blue liroconite in individual and composite crystals to 2 mm associated with deep blue clinoclase in partial spheres, these having a crystalline fish scale surface.

Matrix is quartz with some minor olivenite.

Mineral Data
What's on the rock

Liroconite

Formula: 
Cu2Al(AsO4)(OH)4·4H2O
Strunz: 
8.DF.20
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

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