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Bertrandite on Quartz

#CVL63992
SOLD
Bertrandite from Devil's Den, Boise Co., Idaho, United States - CVL63992
Bertrandite from Devil's Den, Boise Co., Idaho, United States - CVL63992

Bertrandite on Quartz

#CVL63992
Availability
Sold
Size
5.5 x 2.3 x 2.2 cm - Sm Cabinet 
Formula
Be4Si2O7(OH)2 (RRUFF)
Locality
Devil's Den, Boise Co., Idaho, United States
Tagged
beryllium

A smoky Quartz crystal encrusted over with tiny, colorless, bladed crystals of Bertrandite. Collected by Chris van Laer in 1987.

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
Chris van Laer Collection
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