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Malachite Psm Aragonite

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TPX974423

Malachite Psm Aragonite

Pseudomorph

Description Tabs

Description
Locality: 
Arroyo de Cea, Rio Marbella, Baena, Córdoba, Andalusia, Spain
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 7.1 × 5 cm
Weight: 
177.00gr
Description

Very interesting group of malachitized aragonite crystals on matrix, the smallest crystals are totally pseudomorphed by malachite and the largest crystals only have a surface coating. The green mineral It has been analyzed both in Barcelona and in Seville and in both cases it has given malachite. These specimens come from a small Triassic zone found among the labor fields. As far as I know, only two dozen specimens have been found.

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

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

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