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Cornubite Cornwallite & Baryte

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PJM43404

Cornubite Cornwallite & Baryte

Description Tabs

Description
Locality: 
Sir Dominick Mine, Yudnamutana, Arkaroola , Flinders Ranges, South Australia, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
4 × 13.7 × 7.3 cm
Description

Blue green cornwallite and cornubite cover the display face of a large hand size piece of brown gossan, over the green blue crystal and sphere aggregiates is a sprinkling of small bright barite crystals. This specimen was collected in the late 1980's from the Sir Dominic Mine in the ruggard Fliders Ranges.

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

Cornwallite

Formula: 
Cu5(AsO4)2(OH)4
Strunz: 
8.BD.05
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White
Earthstones Australia

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