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0 item @ $0.00  

Bertrandite

#AH52192

Bertrandite

#AH52192
Availability
Sold
Size
6 x 5 x 2.5 cm - Sm Cabinet 
Formula
Be4Si2O7(OH)2 (RRUFF)
Locality
Beryl Mountain mine, South Acworth, Sullivan Co., New Hampshire, United States
Tagged
beryllium , pegmatite mineral

Colorless, large plates of Bertrandite to 6mm in matrix. Rich. Collected in 1947.

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
Arnold G Hampson Collection

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