General Information:
Chemical Formula:
HfSiO4
Composition:
(Molecular Weight = 270.57 gm)
Hafnium 65.97 % Hf
Silicon 10.38 % Si
Oxygen 23.65 % O
Empirical Formula:
Hf(SiO4)
IMA Status:
Approved IMA 1974
Physical Properties:
Cleavage:
[???] Indistinct
Color:
colorless, brownish, or yellow.
Density:
6.97
Diaphaniety:
Transparent
Hardness:
7.5 - Garnet
Luster:
Vitreous - Adamantine
Streak:
gray white
More details...