Picroilmenite

Where it forms, where it's found

36recorded 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
31.73%
8OOxygen Oxygen 3 15.999 47.997
27.27%
22TiTitanium Titanium 1 47.867 47.867
27.19%
12MgMagnesium Magnesium 1 24.305 24.305
13.81%
Total 176.014 100.00%
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	31.73%
8OOxygen	Oxygen	3	15.999	47.997	27.27%
22TiTitanium	Titanium	1	47.867	47.867	27.19%
12MgMagnesium	Magnesium	1	24.305	24.305	13.81%
	Total	176.014	100.00%

Synonyms

Magnesian Ilmenite
Picroilmenit
Picroilmenita

Literature, links & citation

Citations

1898Groth (1898) 143.
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.
1993Clark, A. M. (1993) Hey's Mineral Index - Mineral Species, Varieties and Synonyms (3rd ed.). Natural History Museum.
2006Burke, Ernst A. J. (2006) A mass discreditation of GQN minerals. The Canadian Mineralogist, 44 (6) 1557-1560 doi:10.2113/gscanmin.44.6.1557 DOI: 10.2113/gscanmin.44.6.1557

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Picroilmenite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/picroilmenite-11031},
  note      = {Accessed 2026-05-11}
}