General Information:
Chemical Formula:
(Y,Yb)2Si2O7
Composition:
(Molecular Weight = 388.05 gm)
Yttrium 34.37 % Y
Ytterbium 22.30 % Yb
Silicon 14.48 % Si
Oxygen 28.86 % O
Empirical Formula:
Y1.5Yb0.5Si2O7
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[110] Perfect, [001] Indistinct
Color:
colorless, white, or pink brown.
Density:
4.45
Diaphaniety:
Transparent
Hardness:
4-5 - Fluorite-Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...