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Pseudomalachite

#PD30920
SOLD
Pseudomalachite from Old Gunnislake mine, Gunnislake, Cornwall, England - PD30920
Pseudomalachite from Old Gunnislake mine, Gunnislake, Cornwall, England - PD30920

Pseudomalachite

#PD30920
Availability
Sold
Size
6 x 5 x 3.5 cm - Sm Cabinet 
Formula
Cu5(PO4)2(OH)4 (RRUFF)
Locality
Old Gunnislake mine, Gunnislake, Cornwall, England
Tagged
phosphate , copper

Deep green crystalline linings in vugs. Barstow label.

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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