General Information:
Chemical Formula:NaBeSi3O7(OH)
Composition:(Molecular Weight = 245.26 gm)Sodium 9.37 %
NaBeryllium 3.67 %
BeSilicon 34.35 %
SiHydrogen 0.41 %
H Oxygen 52.19 %
O Empirical Formula: NaBe(Si3O7)(OH)
Locality:Island of Aro, Langesundfiord, Norway.
Physical Properties: Cleavage:[001] Perfect, [010] Perfect
Color:colorless, white, gray, yellow, or blue.
Density:2.55
Diaphaniety:Transparent to translucent
Hardness:5.5 - Knife Blade
Luster:Vitreous (Glassy)
Streak:white
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