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Gerhardtite in Cuprite with Aurichalcite

#52092

Gerhardtite in Cuprite with Aurichalcite

#52092
Availability
Sold
Size
2.5 x 2 x 0.5 cm - Thumbnail 
Formula
Cu2NO3(OH)3 (RRUFF)
Locality
Daisy Shaft, San Xavier, Pima Co., Arizona, United States
Tagged
copper

Blue, somewhat glassy crystal grains of Gerhardtite in Cuprite with Aurichalcite. The specimen is a slice, presumably made  for analysis during a published study made by Sid Williams. Collected in 1966.

Gerhardtite

Formula
Cu2NO3(OH)3 
Crystal System
Orthorhombic 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
green, dark green 
Streak
light green 
Class
Orthorhombic - Disphenoidal 
Hardness

Data courtesy of Webmineral.

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