General Information:
Chemical Formula:
NaBe4SbO7
Composition:
(Molecular Weight = 292.78 gm)
Sodium 7.85 % Na
Beryllium 12.31 % Be
Antimony 41.58 % Sb
Oxygen 38.25 % O
Empirical Formula:
NaBe4SbO7
Locality:
N
Physical Properties:
Cleavage:
[0001] Distinct
Color:
brownish yellow, colorless, honey yellow, or light yellow.
Density:
4.285
Diaphaniety:
Transparent
Hardness:
8 - Topaz
Luminescence:
Fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...