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Olivenite On Goethite

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CLB92984

Olivenite On Goethite

Classic Locality

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2 × 1.9 cm
Description

Nice contrast of green olivenite on a black goethite background. Second generation or another green mineral present?

Mineral Data
What's on the rock

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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Seller Information

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