General Information:
Chemical Formula:
(Ca,Ce)(Ti,Fe+++,Cr,Mg)21O38
IMA Status:
Approved IMA 1977
Physical Properties:
Cleavage:
None
Color:
black.
Density:
4.41
Diaphaniety:
Opaque
Hardness:
7.5 - Garnet
Luster:
Metallic
Streak:
grayish black
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