General Information:
Chemical Formula:
Fe+++2O3·0.5(H2O)
Composition:
(Molecular Weight = 168.70 gm)
Iron 66.21 % Fe
Hydrogen 0.60 % H
Oxygen 33.19 % O
Empirical Formula:
Fe3+2O3·0.5(H2O)
IMA Status:
Approved IMA 1971
Physical Properties:
Color:
yellow brown or dark brown.
Density:
3.8
Streak:
yellowish brown
More details...