General Information:
Chemical Formula:
(Ni,Fe++)3(PO4)2·8(H2O)
Composition:
(Molecular Weight = 983.91 gm)
Magnesium 1.85 % Mg
Manganese 12.56 % Mn
Iron 4.26 % Fe
Nickel 13.42 % Ni
Phosphorus 12.59 % P
Hydrogen 3.28 % H
Oxygen 52.04 % O
Empirical Formula:
3(Ni0.75)3(Mn2+0.75)3(Fe2+0.25)3(Mg0.25)(PO4)2·8(H2O)
IMA Status:
Approved IMA 1988
Physical Properties:
Cleavage:
[???] Good
Color:
blue or turquoise blue.
Diaphaniety:
Translucent
Hardness:
1.5-2 - Talc-Gypsum
Luster:
Earthy (Dull)
Streak:
light blue
More details...