Lodestone

Fe2+Fe3+2O4

Where it forms, where it's found

21recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
26FeIronIron355.845167.535
72.36%
8OOxygenOxygen415.99963.996
27.64%
Total231.531100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Literature, links & citation

Citations
  1. 1944Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Lodestone — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/lodestone-5805},
  note      = {Accessed 2026-05-11}
}