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Azurite Malachite & Chrysocolla

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PCZ727892

Azurite Malachite & Chrysocolla

Ex Keith Snell Collection

Description Tabs

Description
Locality: 
Santa Rosa Mine, Zacatecas, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.5 × 2.4 cm
Description

A beautiful specimen with chrysocolla and areas of malachite covering a black botroidal tenorite matrix. On top of this are numerous bright blue balls of azurite. A small but great quality Mexician specimen.

 

Matrix: 
Tenorite
Condition
General: 
Excellent - locality specimen
Main Display: 
Excellent - some peripheral damage
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

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5
Provenance
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