General Information:
Chemical Formula:
Ba3(Nb,Ti)6(Si2O7)2O12
Composition:
(Molecular Weight = 1,407.69 gm)
Barium 29.27 % Ba
Titanium 6.80 % Ti
Niobium 26.40 % Nb
Silicon 7.98 % Si
Oxygen 29.55 % O
Empirical Formula:
Ba3Nb4Ti22(Si2O7)O12
IMA Status:
Approved IMA 1989
Physical Properties:
Cleavage:
None
Color:
brown.
Density:
4.16
Diaphaniety:
Transparent
Hardness:
6-7 - Orthoclase-Quartz
Luster:
Adamantine
Streak:
white
More details...