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Brochantite & Chrysocolla

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RBM92486

Brochantite & Chrysocolla

Description Tabs

Description
Locality: 
Manto Cuba Mine, San Pedro de Cachiyuyo, Inca de Oro, Chañaral Province, Atacama Region, Chile
Size Range: 
Cabinet (10-18 cm)
Size: 
17 × 11 × 8 cm
Description

Great piece of brochantite from a classic mine (Manto Cuba).

This piece was collected for about 15 years ago. Perfect acicular crystals of brochantite are observed from nodules of chrysocolla.

Excellent specimens for museum or look under a magnifying glass in broad daylight. Check shipping costs prior to auction.

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...

Chrysocolla

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

Seller Information

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