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1 item @ $125.00  

Colemanite

#WR56315

Colemanite

#WR56315
Availability
Sold
Size
5 x 4 x 3.5 cm - Miniature 
Formula
CaB3O4(OH)3·H2O (RRUFF)
Locality
Death Valley, Inyo Co., California, United States

This is one of the better Colemanites specimens that I have seen. I say this because the piece as nothing but undamaged, sharply pointed small and large crystals (1cm plus) all grown to perfection.

Fluorescent

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.

Collection
Willard L. Roberts Collection
Special Info
Fluorescent

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