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Chrysocolla & Brochantite

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RBM1153304

Description Tabs

Description
Locality: 
Los Azules Mine, Quebrada San Miguel, Copiapó Province, Atacama Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 2 cm
Description

Prismatic acicular crystals of brochantite over a matrix of chrysocolla

Mineral Data
What's on the rock

Chrysocolla

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

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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$

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$10
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Start 30 Nov 18:00
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Europe10-15
$12
North & South America 10-15
$12
Rest of World 15-20
$12

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