General Information: Chemical Formula:Mn+++PO4
Composition:(Molecular Weight = 149.91 gm)
Manganese 36.65 %
MnPhosphorus 20.66 %
P Oxygen 42.69 %
O Empirical Formula: Mn3+(PO4)
Name Origin:From the Latin purpureus - "purple red."
Physical Properties: Cleavage:[100] Perfect, [001] Perfect
Color:brownish black, violet, dark pink, dark red, or reddish purple.
Density:3.4
Diaphaniety:Subtranslucent to Opaque
Habits:Massive - Granular - Common texture observed in granite and other igneous rock., ,
Hardness:4-5 - Fluorite-Apatite
Luminescence:Non-fluorescent.
Luster:Earthy (Dull)
Streak:red
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