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Chrysocolla & Brochantite

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RBM220416

Chrysocolla & Brochantite

Description Tabs

Description
Locality: 
Los Azules Mine, Quebrada San Miguel, Copiapo, Atacama Region, Chile
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4 × 3 cm
Description

Chryscolla balls covered and accopanied by prismatic brochantite. Over de the balls of chrysocolla appear small crystals of pseudomalachite and chalcedony.

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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