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0 item @ $0.00  

Bertrandite

#PD32889

Bertrandite

#PD32889
Availability
Sold
Size
3.5 x 6 x 3.5 cm - Sm Cabinet 
Formula
Be4Si2O7(OH)2 (RRUFF)
Locality
Kara-Oba W deposit, Betpakdala Desert, Karagandy, Kazakhstan

White prismatic Bertrandite crystals to 3mm covering pink Rhodochrosite on Quartz with dark Sphalerite crystals to 7m and brassy Pyrite.

Bertrandite

Formula
Be4Si2O7(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Crystalline - Fine, Tabular, Prismatic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous (Glassy) 
Color
colorless, pale yellow 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
6-7 

Data courtesy of Webmineral.

Collection
Phillips Collection

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