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Malachite Psm Azurite

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RBR1088579

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Description
Locality: 
Isfahan Province, Iran
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4 × 3 cm
Description

Some remarkable finds were made in a small mine about 40 km southeast of Lake Namak. The mine has no official name and no further mining takes place there.
Mainly azurite and malachite were found, some specimens even have pseudomorphs from azurite to malachite (similar to the specimens from Tsumeb).
This piece bears a great pseudorphosis of malachite to azurite from a matrix of limonite.

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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Start 13 Dec 18:00
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Austria
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Europe (excl. UK)
17
North America (+ UK)
23
Australia
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Rest of world
28

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