General Information:
Chemical Formula:
(Fe++,Mg,Mn)3(PO4)2·4(H2O)
Composition:
(Molecular Weight = 400.88 gm)
Magnesium 5.46 % Mg
Manganese 4.11 % Mn
Iron 25.08 % Fe
Phosphorus 15.45 % P
Hydrogen 2.01 % H
Oxygen 47.89 % O
Empirical Formula:
Fe2+1.8Mg0.9Mn2+0.3(PO4)2·4(H2O)
Physical Properties:
Cleavage:
[001] Perfect
Color:
apple green, colorless, green, greenish white, or light green.
Density:
3.15
Diaphaniety:
Transparent to Translucent
Hardness:
3.5 - Copper Penny
Luster:
Vitreous (Glassy)
Streak:
white
More details...