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0 item @ $0.00  

Colemanite

#RE8021

Colemanite

#RE8021
Availability
Sold
Size
7 x 5.5 x 3.5 cm - Sm Cabinet 
Formula
CaB3O4(OH)3·H2O (RRUFF)
Locality
Billie mine, Death Valley, California, United States

An excellent specimen with waterclear Colemanite crystals to 1cm showing complex terminations.

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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