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0 item @ $0.00  

Brochantite on Calcite

#PD34829

Brochantite on Calcite

#PD34829
Availability
Sold
Size
3.5 x 2.5 x 4 cm - Miniature 
Formula
Cu4SO4(OH)6 (RRUFF)
Locality
Tsumeb mine, Tsumeb, Namibia
Tagged
sulfate

Beautiful emerald green bladed Brochantite crystals in divergent clusters to 5mm nested on a piece of white Calcite matrix with a slender vein of red-purple Cuprite at the base.

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.

Collection
Phillips Collection

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