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Arthurite

#PD31713

Arthurite

#PD31713
Availability
Sold
Size
3.5 x 2 x 2 cm - Miniature 
Formula
CuFe3+2(AsO4)2(OH)2·4H2O (RRUFF)
Locality
Callington, Cornwall, England

Although the original A. L. McGuinness tag specifies only Callington as the locality, it is safe to assume that it is the type locality. The Arthurite occurs as apple green minute acicular crystals and aggregates.

Type Locality

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.

Collection
Phillips Collection
Special Info
Type Locality
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