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Cornwallite & Halloysite

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CHP1027651

Cornwallite & Halloysite

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Description
Locality: 
Cerro do Algaré Mine, Almodôvar, Beja District, Portugal
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.7 × 0.8 cm
Description

specimen with some very good crystalline aggregates of green cornwallite with associates white aggregates of halloysite on matrix.

c. 7709

Mineral Data
What's on the rock

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

Halloysite

Group Parent: 
Kaolinite-Serpentine Group

Current price

Starting price

30
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Start 21 Apr 18:00
End
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Shipping Information

Postage Area Price
Italy
10
Europe
12
World
14

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