Chrommagnetite

Where it forms, where it's found

2recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
26FeIron Iron 3 55.845 167.535
49.93%
24CrChromium Chromium 2 51.996 103.992
31.00%
8OOxygen Oxygen 4 15.999 63.996
19.07%
Total 335.523 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From Mindat formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
26FeIron	Iron	3	55.845	167.535	49.93%
24CrChromium	Chromium	2	51.996	103.992	31.00%
8OOxygen	Oxygen	4	15.999	63.996	19.07%
	Total	335.523	100.00%

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Chrommagnetite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/chrommagnetite-43493},
  note      = {Accessed 2026-05-11}
}