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Olivenite & Cornubite

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Olivenite & Cornubite

Classic Locality

Description Tabs

Description
Locality: 
Sir Dominick Mine, Yudnamutana, Arkaroola , Flinders Ranges, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.8 × 2 cm
Description

This remote & long abandoned mine dating back to the 1860s is well known for it's malachite pseudomorphs after azurite, but then in 1989 copper arsenates were discovered in a narrow becciated quartz zone from one of the upper adits.

 

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

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
Gondwana Minerals