General Information:
Chemical Formula:Zn4Be3(SiO4)3S
Composition:(Molecular Weight = 596.91 gm)Beryllium 4.53 %
BeZinc 43.82 %
ZnSilicon 14.12 %
SiSulfur 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
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