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0 item @ $0.00  

Arthurite

#50273

Arthurite

#50273
Availability
Sold
Size
5.5 x 4 x 3.5 cm - Sm Cabinet 
Formula
CuFe3+2(AsO4)2(OH)2·4H2O (RRUFF)
Locality
Gunheath China Clay Pit, St. Austell, Cornwall, England
Tagged
arsenate , copper

Lime green coating and tiny spherulites of Arthurite. Cornwall is the type locality, but not at this mine. 

Arthurite

Formula
CuFe3+2(AsO4)2(OH)2·4H2
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Acicular, Spherical 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
apple green, emerald green 
Streak
light green 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
3-4 

Data courtesy of Webmineral.

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