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Clinoclase & Olivenite

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PDM687937

Clinoclase & Olivenite

Type Locality

Description Tabs

Description
Locality: 
Wheal Gorland, St Day, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2.4 × 1.4 cm
Description

From the type locality, deep blue lustrous crystals of clinoclase with green olivenite, on quartz matrix.

Acquired in 1975. Ex Gerard Vogel specimen.

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

Seller Information

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