General Information:
Chemical Formula:
NaFe+++9(PO4)6(OH)10·5(H2O)
Composition:
(Molecular Weight = 1,355.59 gm)
Sodium 1.70 % Na
Iron 37.08 % Fe
Phosphorus 13.71 % P
Hydrogen 1.49 % H
Oxygen 46.03 % O
Empirical Formula:
NaFe3+9(PO4)6(OH)10·5(H2O)
IMA Status:
Approved IMA 1978
Physical Properties:
Cleavage:
[100] Perfect
Color:
greenish yellow, greenish white, yellow, or light green.
Density:
3.04
Hardness:
3 - Calcite
Luster:
Silky
Streak:
yellow
More details...