General Information:
Chemical Formula:
Ba(Mn++++,Mn++)8O16
Locality:
Manganese deposits of the Central Provinces of India.
Physical Properties:
Cleavage:
[???] Good
Color:
grayish black, black, or silver gray.
Density:
4.7 - 5, Average = 4.84
Diaphaniety:
Opaque
Habits:
Striated - Parallel lines on crystal surface or cleavage face., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
Hardness:
4-6
Luminescence:
Non-fluorescent.
Luster:
Earthy (Dull)
Streak:
black
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