Kreittonite

(Zn,Fe)Al2O4
Variety of
Gahnite
GahniteZnAl2O4

Where it forms, where it's found

1recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
30ZnZincZinc165.38065.380
27.33%
8OOxygenOxygen415.99963.996
26.76%
26FeIronIron155.84555.845
23.35%
13AlAluminiumAluminium226.98253.964
22.56%
Total239.185100.00%

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

From Mindat formula

Literature, links & citation

Citations
  1. 1848von Kobell (1848), Journal pr. Chem.: 44: 99.
  2. 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     = {Kreittonite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/kreittonite-30066},
  note      = {Accessed 2026-05-11}
}