General Information:
Chemical Formula:
Fe++Al2(PO4)2(OH)2·6(H2O)
Composition:
(Molecular Weight = 441.86 gm)
Aluminum 12.21 % Al
Iron 12.64 % Fe
Phosphorus 14.02 % P
Hydrogen 3.19 % H
Oxygen 57.93 % O
Empirical Formula:
Fe2+Al2(PO4)2(OH)2·6(H2O)
Physical Properties:
Cleavage:
None
Color:
sky blue or dark blue.
Density:
2.4
Diaphaniety:
Transparent to Translucent
Hardness:
3.5 - Copper Penny
Luminescence:
Fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...