General Information:
Chemical Formula:
Ba4(V+++,Ti)4Si8B2O27Cl(O,OH)2
Composition:
(Molecular Weight = 1,474.64 gm)
Barium 37.25 % Ba
Titanium 3.25 % Ti
Vanadium 10.36 % V
Silicon 15.24 % Si
Hydrogen 0.03 % H
Chlorine 2.40 % Cl
Oxygen 31.46 % O
Empirical Formula:
Ba4V3+3TiSi8O28.5Cl(OH)0.5
IMA Status:
Approved IMA 1980
Physical Properties:
Cleavage:
None
Color:
greenish black.
Density:
4.08
Hardness:
6 - Orthoclase
Luster:
Sub Metallic
Streak:
green
More details...