Chrome-Kaolinite

Where it forms, where it's found

7recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 9 15.999 143.991
39.76%
24CrChromium Chromium 2 51.996 103.992
28.72%
14SiSilicon Silicon 2 28.085 56.170
15.51%
13AlAluminium Aluminium 2 26.982 53.964
14.90%
1HHydrogen Hydrogen 4 1.008 4.032
1.11%
Total 362.149 100.00%
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
8OOxygen	Oxygen	9	15.999	143.991	39.76%
24CrChromium	Chromium	2	51.996	103.992	28.72%
14SiSilicon	Silicon	2	28.085	56.170	15.51%
13AlAluminium	Aluminium	2	26.982	53.964	14.90%
1HHydrogen	Hydrogen	4	1.008	4.032	1.11%
	Total	362.149	100.00%

Synonyms

Chrome-Kaolin
Chromkaolinit
Miloschin
Miloschite

Literature, links & citation

Citations

1839Carl Kersten (1839): Chemische Untersuchung des Miloschins aus Serbien. Annalen der Physik, 123, 485-489. [as Miloschin]
1973Brookins, D. G. (1973) Chemical and X-Ray investigation of chromiferous kaolinite (“miloschite”) from the Geysers, Sonoma County, California. Clays and Clay Minerals, 21 (5) 421-422 doi:10.1346/ccmn.1973.0210518DOI: 10.1346/ccmn.1973.0210518

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Chrome-Kaolinite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/chrome-kaolinite-9893},
  note      = {Accessed 2026-05-11}
}