Ganomalite

General Information:
 Chemical Formula:
Pb9Ca5Mn++Si9O33
 Composition:
(Molecular Weight = 2,900.88 gm)
Calcium 6.91 % Ca
Manganese 1.89 % Mn
Silicon 8.71 % Si
Lead 64.28 % Pb
Oxygen 18.20 % O 
 Empirical Formula:
Pb9Ca5Mn2+Si9O33
 Locality:
Vermland, Sweden.
Physical Properties:
 Cleavage:
[???] Good
 Color:
colorless, gray, or white.
 Density:
5.74
 Diaphaniety:
Translucent to transparent
 Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Massive - Granular - Common texture observed in granite and other igneous rock.,
 Hardness:
3 - Calcite
 Luster:
Vitreous - Adamantine
 Streak:
white
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