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Brochantite

#61820
SOLD
Brochantite from Douglas Hill mine, Yerington dist., Lyon Co., Nevada, United States - 61820
Brochantite from Douglas Hill mine, Yerington dist., Lyon Co., Nevada, United States - 61820

Brochantite

#61820
Availability
Sold
Size
Micromount 
Formula
Cu4SO4(OH)6 (RRUFF)
Locality
Douglas Hill mine, Yerington dist., Lyon Co., Nevada, United States
Tagged
copper

Deep emerald green stout Brochantite crystals to 1mm with sharp pointed terminations. There is a little overgrowth of Malachite. Overall 2x2cm.

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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