General Information:
Chemical Formula:Fe5N2
Composition:(Molecular Weight = 307.25 gm)Iron 90.88 %
FeNitrogen 9.12 %
N Empirical Formula: Fe0+5N2
Environment:Thin coating on lava.
Locality:Mt. Etna and Mt. Vesuvius, Italy.
Name Origin:Named for its composition (Greek, "sideros" = iron).
Physical Properties: Color:silver white.
Density:3.147
Diaphaniety:Opaque
Habits:Thin - Flat dimensioned crystals., Encrustations - Forms crust-like aggregates on matrix.,
Luster:Metallic
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