General Information:
Chemical Formula:
Mn++(Ti,Ta,Sc)2O8
IMA Status:
Approved IMA 1984
Physical Properties:
Cleavage:
None
Color:
dark brown or black.
Density:
6.86
Diaphaniety:
Transparent to Translucent
Hardness:
5.5 - Knife Blade
Streak:
dark brown
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