General Information:
Chemical Formula:
Ca2BeSi2O7
Composition:
(Molecular Weight = 257.33 gm)
Calcium 31.15 % Ca
Beryllium 3.50 % Be
Silicon 21.83 % Si
Oxygen 43.52 % O
Empirical Formula:
Ca2Be(Si2O7)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[010] Perfect, [001] Distinct, [110] Indistinct
Color:
colorless.
Density:
3.03
Diaphaniety:
Transparent
Hardness:
3-4 - Calcite-Fluorite
Luster:
Vitreous (Glassy)
Streak:
white
More details...