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Clinoclase & Olivenite

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WND789082

Clinoclase & Olivenite

Type Locality
Classic Locality

Description Tabs

Description
Locality: 
Wheal Gorland, St Day, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 1.9 × 3.1 cm
Description

This nice specimen features numerous of intense blue-green crystals of clinoclase, accompanied by olive-green olivenite, lining a vug. Both species are very well developed, mirror bright and sharp edged. A fine colourful Cornish oldtimer in splendid condition.

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
Wendel Minerals

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