General Information:
Chemical Formula:
MgV++++2O4
Composition:
(Molecular Weight = 190.19 gm)
Magnesium 12.78 % Mg
Vanadium 53.57 % V
Oxygen 33.65 % O
Empirical Formula:
MgV4+2O4
Environment:
An accessory mineral in Cr-V bearing parametamorphic rocks.
IMA Status:
Approved IMA
Locality:
Precambrian Slyudyanka Complex, Slyudyanka, southern Lake Baikal Region, Russia.
Name Origin:
Named for its relationship to coulsonite.
Physical Properties:
Cleavage:
None
Color:
black.
Density:
4.3
Diaphaniety:
Opaque
Habits:
Disseminated - Occurs in small, distinct particles dispersed in matrix., ,
Hardness:
6-6.5 - Orthoclase-Pyrite
Luster:
Metallic
Streak:
black
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