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Callaghanite

#38072
SOLD
Callaghanite from Basic Refractories mine, Gabbs, Nye Co., Nevada, United States - 38072
Callaghanite from Basic Refractories mine, Gabbs, Nye Co., Nevada, United States - 38072

Callaghanite

#38072
Availability
Sold
Size
2.5 x 2 x .5 cm - Thumbnail 
Formula
Cu2Mg2CO3(OH)6·2H2O (RRUFF)
Locality
Basic Refractories mine, Gabbs, Nye Co., Nevada, United States

Deep, rich blue micro crystals less than 0.25mm.

Callaghanite

Formula
Cu2Mg2CO3(OH)6·2H2O 
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.

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