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Cornubite & Olivenite

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Cornubite & Olivenite

Classic Locality

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 3.8 × 1.8 cm
Description

Apple green cornubite balls with olive green olivenite needles

Mineral Data
What's on the rock

Cornubite

Formula: 
Cu5(AsO4)2(OH)4
Strunz: 
8.BD.30
Crystal System: 
Triclinic Probably
Hardness: 
4.0 - 0.0
Type Locality: 
Wheal Carpenter, Fraddam, Gwinear-Gwithian, St Erth - Gwithian Area, 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