General Information:
Chemical Formula:Ca6Mn+++9(PO4)9O6(H2O)6·3(H2O)
Composition:(Molecular Weight = 1,739.69 gm)Calcium 13.82 %
CaManganese 28.42 %
MnPhosphorus 16.02 %
P Hydrogen 0.35 %
H Oxygen 41.39 %
O Empirical Formula: Ca6Mn2+9(PO4)9O6·3(H2O)
IMA Status:Approved IMA 1974
Physical Properties: Cleavage:[100] Good
Color:blood red, brownish black, dark red, reddish brown, or black.
Density:3.17
Diaphaniety:Translucent to Opaque
Hardness:3.5 - Copper Penny
Luster:Adamantine
Streak:brown
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