General Information:
Chemical Formula:FeO(OH)
Composition:(Molecular Weight = 88.85 gm)Iron 62.85 %
FeHydrogen 1.13 %
H Oxygen 36.01 %
O
Empirical Formula: Fe3+O(OH)
Environment:Common in iron ore deposits.
Locality:Common world wide.
Name Origin:From the Greek lipis - "scale" and krokis - "fibre."
Physical Properties:
Cleavage:[010] Perfect
Color:red, yellowish brown, or blackish brown.
Density:4
Diaphaniety:Opaque
Habits:Scaly - Morphology like fish scales., Fibrous - Crystals made up of fibers., Pulverulent - Forms a loose, poorly-coherent powdery mass.
Hardness:5 - Apatite
Luminescence:None.
Luster:Sub Metallic
Streak:dark yellow brown
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