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Ulexite

#RW47714
SOLD
Ulexite from Open Pit mine, Boron, Kern Co., California, United States - RW47714
Ulexite from Open Pit mine, Boron, Kern Co., California, United States - RW47714

Ulexite

#RW47714
Availability
Sold
Size
13 x 5 x 4 cm - Cabinet 
Formula
NaCaB5O6(OH)6·5H2O (RRUFF)
Locality
Open Pit mine, Boron, Kern Co., California, United States

Large specimen of silky, compact fibrous white Ulexite. Used in fiber optics.

Ulexite

Formula
NaCaB5O6(OH)6·5H2O 
Crystal System
Triclinic 
Crystal Habit
Acicular, Fibrous, Capillary 
Cleavage
Perfect, Perfect, None 
Luster
Chatoyant 
Color
colorless, white 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle 
Hardness
2.5 

Data courtesy of Webmineral.

Collection
Robert Waidler Collection
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