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Clinoclase & Olivenite

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MMM29158

Clinoclase & Olivenite

Description Tabs

Description
Locality: 
Wheal Gorland, St Day, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 6 × 2 cm
Description

Nice old time specimen displaying a good coverage of crystalline clinoclase and olivenite with strashimerite on quartz, limonite matrix.

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

Olivenite

Formula: 
Cu2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK