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0 item @ $0.00  

Colemanite with Calcite

#PD35767

Colemanite with Calcite

#PD35767
Availability
Sold
Size
6 x 5 x 3 cm - Sm Cabinet 
Formula
CaB3O4(OH)3·H2O (RRUFF)
Locality
Boron, Kern Co., California, United States

Nice crystal group with large Colemanite crystals to 3.5cm graced with yellow Calcite. No damage, 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.

Collection
Phillips Collection

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