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Brochantite

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MGR769932

Brochantite

Description Tabs

Description
Locality: 
Potrerillos, Chañaral Province, Atacama Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 2 × 1.5 cm
Description

Sparkling sprays of intense green brochantite formed a very tri-dimensional cluster. A nice, eye-catching sample of this secondary copper hydroxy sulphate.

Mineral Data
What's on the rock

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...