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1 item @ $125.00  

Colemanite

#56291

Colemanite

#56291
Availability
Sold
Size
3.5 x 3 x 2 cm - Miniature 
Formula
CaB3O4(OH)3·H2O (RRUFF)
Locality
Death Valley, Inyo Co., California, United States

Sharp, long bladed colorless Colemanite crystals to 2cm. Excellent specimen.

Colemanite

Formula
CaB3O4(OH)3·H2
Crystal System
Monoclinic 
Crystal Habit
Blocky, Crystalline - Coarse, Massive - Granular 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous (Glassy) 
Color
colorless, gray, gray white, yellowish white, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
4.5 

Data courtesy of Webmineral.

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