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Cornubite

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CAM208283

Cornubite

Description Tabs

Description
Locality: 
Majuba Hill Mine, Antelope, Pershing County, Nevada, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6.5 × 3.5 cm
Description

A very good piece from the Majuba Hill Mine with a rich coverage of green botryoidal cornubite on matrix associated with some olive-green olivenite crystals and some minor blue-green cornwallite. A very fine example of this uncommon copper-arsenate.

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
Cartils Minerals

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