General Information:
Chemical Formula:
Fe+++PO4·2(H2O)
Composition:
(Molecular Weight = 186.85 gm)
Iron 29.89 % Fe
Phosphorus 16.58 % P
Hydrogen 2.16 % H
Oxygen 51.38 % O
Empirical Formula:
Fe3+(PO4)·2(H2O)
IMA Status:
Approved IMA 1964
Name Origin:
Named after its chemical composition.
Physical Properties:
Cleavage:
[010] Perfect, [001] Distinct
Color:
colorless, purple, pink, red, or red violet.
Density:
2.76
Diaphaniety:
Transparent to Translucent
Habits:
Encrustations - Forms crust-like aggregates on matrix., Spherical - Spherical, rounded aggregates.,
Hardness:
3.5-4 - Copper Penny-Flourite
Luster:
Vitreous (Glassy)
Streak:
white
More details...