General Information:
Chemical Formula:
(Ca,Na)3Mn++(V+++++,As+++++,Si)3O12
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
None
Color:
wine red.
Density:
3.63
Diaphaniety:
Transparent to Translucent
Hardness:
5-5.5 - Apatite-Knife Blade
Luster:
Adamantine
Streak:
brownish red
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