Chrome-Pyrophyllite

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 12 15.999 191.988
41.35%
14SiSilicon Silicon 4 28.085 112.340
24.20%
24CrChromium Chromium 2 51.996 103.992
22.40%
13AlAluminium Aluminium 2 26.982 53.964
11.62%
1HHydrogen Hydrogen 2 1.008 2.016
0.43%
Total 464.300 100.00%
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	12	15.999	191.988	41.35%
14SiSilicon	Silicon	4	28.085	112.340	24.20%
24CrChromium	Chromium	2	51.996	103.992	22.40%
13AlAluminium	Aluminium	2	26.982	53.964	11.62%
1HHydrogen	Hydrogen	2	1.008	2.016	0.43%
	Total	464.300	100.00%

Synonyms

Chrom-Pyrophylit
Chrom-Pyrophyllit

Literature, links & citation

Citations

1961H. Meixner: Chemie der Erde 21:1-4 (1961)

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Chrome-Pyrophyllite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/chrome-pyrophyllite-9902},
  note      = {Accessed 2026-05-11}
}