General Information:
Chemical Formula:
(Cr+++,V+++)2Ti3O9
Composition:
(Molecular Weight = 391.10 gm)
Titanium 36.73 % Ti
Vanadium 6.51 % V
Chromium 19.94 % Cr
Oxygen 36.82 % O
Empirical Formula:
Cr1.5V3+0.5Ti3O9
Environment:
In quartzite-schists.
IMA Status:
Approved IMA
Locality:
On the western shore of Lake Baikal, 4.5 km south of the Olkhon Island, Russia.
Name Origin:
For the locality.
Physical Properties:
Cleavage:
None
Color:
black.
Density:
4.48
Diaphaniety:
Opaque
Habits:
Platy - Sheet forms (e.g. micas)., Disseminated - Occurs in small, distinct particles dispersed in matrix.,
Hardness:
8 - Topaz
Luster:
Metallic
Streak:
black
More details...