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Azurite & Malachite

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PJM82224

Azurite & Malachite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Great Central Mine, Mount Hope, Blaxland County, New South Wales, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 4.6 × 2.9 cm
Description

A row of dark blue azurite crystals to 1.3 cm tall form a fence across a bed of dark green, silky botyroidal malchite. A fine specimen from a copper deposit that was worked actively from the 1880's to 1940. The dumps were acid leached in the 1970's.

This specimen is from the Jose Rees Collection originally

Mineral Data
What's on the rock

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Earthstones Australia

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