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0 item @ $0.00  

Colemanite

#32308

Colemanite

#32308
Availability
Sold
Size
4.5 x 6.5 x 4 cm - Sm Cabinet 
Formula
CaB3O4(OH)3·H2O (RRUFF)
Locality
Death Valley, Inyo Co., California, United States
Notes
Discounts/Promos do NOT apply to this item
Tagged
Boron

Cluster of incredibly sharp Colemanite crystals to 2.5cm with white or colorless centers and honey-colored 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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