Iserine

Where it forms, where it's found

5recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
26FeIron Iron 1 55.845 55.845
36.81%
8OOxygen Oxygen 3 15.999 47.997
31.64%
22TiTitanium Titanium 1 47.867 47.867
31.55%
Total 151.709 100.00%
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	1	55.845	55.845	36.81%
8OOxygen	Oxygen	3	15.999	47.997	31.64%
22TiTitanium	Titanium	1	47.867	47.867	31.55%
	Total	151.709	100.00%

Synonyms

Hexaëdrisches Eisen-Erz
Iserin
Iserite (of Dana)
Oktaëdrisches Ttaneisen-Oxyd

Literature, links & citation

Citations

1810Klaproth, M. H. (1810) CVIII. Chemische Untersuchung des Iserins. In Beiträge zur chemischen Kenntniss der Mineralkörper Vol. 5. Rottmann. p.206-209.
1861Hintze (1861, 1864, 1908): 1(2a).
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     = {Iserine — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/iserine-9871},
  note      = {Accessed 2026-05-11}
}