General Information:
Chemical Formula:
Zn4Be3(SiO4)3S
Composition:
(Molecular Weight = 596.91 gm)
Beryllium 4.53 % Be
Zinc 43.82 % Zn
Silicon 14.12 % Si
Sulfur 5.37 % S
Oxygen 32.16 % O
Empirical Formula:
Zn4Be3(SiO4)3S
Physical Properties:
Cleavage:
None
Color:
blue green, brown, colorless, green, or yellow.
Density:
3.62
Diaphaniety:
Transparent
Hardness:
6-6.5 - Orthoclase-Pyrite
Luminescence:
Phosphorescent fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...