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Callaghanite

#39723

Callaghanite

#39723
Availability
Sold
Size
10 x 7 x 4.5 cm - Cabinet 
Formula
Cu2Mg2CO3(OH)6·2H2O (RRUFF)
Locality
Basic Refractories mine, Gabbs, Nye Co., Nevada, United States
Tagged
carbonate , copper

Large 3-4cm patches of crystalline Callaghanite. Ex. Mike Groben.

Type Locality

Callaghanite

Formula
Cu2Mg2CO3(OH)6·2H2
Crystal System
Monoclinic 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
azure, violet blue 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
3-3.5 

Data courtesy of Webmineral.

Special Info
Type Locality

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