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Brochantite with Chrysocolla

#13241

Brochantite with Chrysocolla

#13241
Availability
Sold
Size
2 x 3.5 x 1.5 cm - Miniature 
Formula
Cu4SO4(OH)6 (RRUFF)
Locality
Los Azules mine, Quebrada San Miguel, Copiapó Prov., Atacama, Chile

Knock-out gorgeous emerald green, glassy, acicular crystals with chisel poit terminations.

Brochantite

Formula
Cu4SO4(OH)6 
Crystal System
Monoclinic 
Crystal Habit
Acicular, Prismatic, Druse 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
green, emerald green, black 
Streak
pale green 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

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