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0 item @ $0.00  

Pseudomalachite

#PD31760

Pseudomalachite

#PD31760
Availability
Sold
Size
5.5 x 4 x 3 cm - Sm Cabinet 
Formula
Cu5(PO4)2(OH)4 (RRUFF)
Locality
Old Gunnislake mine, Gunnislake, Cornwall, England
Tagged
phosphate , copper

Green coating of Pseudomalachite on Quartz matrix. Old specimen originally offered by Lythe Minerals.

Pseudomalachite

Formula
Cu5(PO4)2(OH)4 
Crystal System
Monoclinic 
Crystal Habit
Botryoidal, Massive, Stalactitic 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Greasy 
Color
blue green, green, dark green, black green 
Streak
bluish green 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Phillips Collection

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