General Information:
Chemical Formula:
Mn++Fe+++2(PO4)2(OH)2·7-8(H2O)
Composition:
(Molecular Weight = 516.70 gm)
Manganese 10.63 % Mn
Iron 21.62 % Fe
Phosphorus 11.99 % P
Hydrogen 3.12 % H
Oxygen 52.64 % O
Empirical Formula:
Mn2+Fe3+2(PO4)2(OH)2·7(H2O)
Physical Properties:
Color:
orange.
Density:
2.463
Hardness:
3 - Calcite
Luster:
Vitreous (Glassy)
Streak:
white
More details...