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Copper Psm Aragonite With Aragonite

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RHT719679

Copper Psm Aragonite With Aragonite

Pseudomorph

Description Tabs

Description
Locality: 
Corocoro, Pacajes Province, La Paz Department, Bolivia
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.9 × 1.8 cm
Weight: 
21.00gr
Description

Pseudomorphs of copper after aragonite appear rather often on the market. But this one is uncommon and we haven't seen one like this before, because part of the aragonite is still intact and you can clearly see how the copper replaced the aragonite from outwards, leaving an aragonite 'core'.

Mineral Data
What's on the rock

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

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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