General Information:
Chemical Formula:
Be3SiO4(OH)2·(H2O)
Composition:
(Molecular Weight = 171.15 gm)
Beryllium 15.80 % Be
Silicon 16.41 % Si
Hydrogen 2.36 % H
Oxygen 65.44 % O
Empirical Formula:
Be3(SiO4)(OH)2·(H2O)
Environment:
In alkaline pegmatites.
Locality:
Lovozero massif, Koa Peninnsula, Russia.
Name Origin:
Named in allusion to the beryllium content.
Physical Properties:
Color:
white.
Density:
2.196
Diaphaniety:
Transparent
Habits:
Fibrous - Crystals made up of fibers., Spherical - Spherical, rounded aggregates., Encrustations - Forms crust-like aggregates on matrix.
Hardness:
1 - Talc
Luminescence:
Fluorescent.
Luster:
Silky
Streak:
white
More details...