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Malachite With Azurite

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QRI648898

Malachite With Azurite

Former collection Burger

Description Tabs

Description
Locality: 
Moldova Nouă Mine, Moldova Nouă-Sasca, Banat Mountains, Caraş-Severin County, Romania
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.3 × 4.9 × 2.6 cm
Weight: 
25.00gr
Description

Lustrous botroidal malachite covers a limonite crest from this classic locality. Excellent color and quality for the malachite. Associated, deep blue azurite masses, which increase the color contrast.
The specimen is rather sculptural. The bottom has been sawn. 

It comes from the Burger collection (pre-1950s), but it has been relabelled in modern times. Specimens like this are pretty common in museums, as they were considered classics (a few decades ago) and nowadays are indeed oldtimers. Pretty hard to get ahold of.

Mineral Data
What's on the rock

Malachite

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

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...

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