General Information:
Chemical Formula:MgV++++2O4
Composition:(Molecular Weight = 190.19 gm)Magnesium 12.78 %
MgVanadium 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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