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0 item @ $0.00  

Bertrandite

#23805

Bertrandite

#23805
Availability
Sold
Size
1.5 x 1.5 x 1 cm - Thumbnail 
Formula
Be4Si2O7(OH)2 (RRUFF)
Locality
Pisek, Bohemia, Czech Republis
Tagged
beryllium

Colorless crystals to 3mm in small vial. Ex. Harvard collection with Wm. Heinrich specimen.

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
Don Phillips Collection

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