
General Information:

Chemical Formula:
Fe++Al2(PO4)2(OH)2·8(H2O)

Composition:
(Molecular Weight = 477.89 gm)
Aluminum 11.29 %
AlIron 11.69 %
FePhosphorus 12.96 %
P Hydrogen 3.80 %
H Oxygen 60.26 %
O 
Empirical Formula:
Fe2+Al2(PO4)2(OH)2·8(H2O)
Physical Properties:

Cleavage:
[010] Perfect

Color:
colorless, greenish white, or light greenish white.

Density:
2.36

Diaphaniety:
Transparent to Translucent

Hardness:
3 - Calcite

Luster:
Vitreous - Pearly

Streak:
white
More details...