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Chrysocolla after Smithsonite

#PD32256

Chrysocolla after Smithsonite

#PD32256
Availability
Sold
Size
7 x 5 x 4 cm - Sm Cabinet 
Formula
(Cu,Al)2H2Si2O5(OH)4·nH2O (RRUFF)
Locality
79 mine, Gila Co., Arizona, United States

Sky blue Chrysocolla in botryoids and possible replacements of Smithsonite.

Chrysocolla

Formula
(Cu,Al)2H2Si2O5(OH)4·nH2
Crystal System
Orthorhombic 
Crystal Habit
Botryoidal, Earthy, Stalactitic 
Cleavage
None, None, None 
Luster
Vitreous - Dull 
Color
green, bluish green, blue, blackish blue, brown 
Streak
light green 
Class
Orthorhombic 
Fracture
Brittle - Sectile 
Hardness
2.5-3.5 

Data courtesy of Webmineral.

Collection
Phillips Collection

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