Chromium-bearing Magnesio-arfvedsonite

Where it forms, where it's found

1recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 24 15.999 383.976
43.40%
14SiSilicon Silicon 8 28.085 224.680
25.40%
12MgMagnesium Magnesium 4 24.305 97.220
10.99%
11NaSodium Sodium 3 22.990 68.970
7.79%
26FeIron Iron 1 55.845 55.845
6.31%
24CrChromium Chromium 1 51.996 51.996
5.88%
1HHydrogen Hydrogen 2 1.008 2.016
0.23%
Total 884.703 100.00%
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	24	15.999	383.976	43.40%
14SiSilicon	Silicon	8	28.085	224.680	25.40%
12MgMagnesium	Magnesium	4	24.305	97.220	10.99%
11NaSodium	Sodium	3	22.990	68.970	7.79%
26FeIron	Iron	1	55.845	55.845	6.31%
24CrChromium	Chromium	1	51.996	51.996	5.88%
1HHydrogen	Hydrogen	2	1.008	2.016	0.23%
	Total	884.703	100.00%

Synonyms

Chromian Magnesio-arfvedsonite

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Chromium-bearing Magnesio-arfvedsonite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/chromium-bearing-magnesio-arfvedsonite-39913},
  note      = {Accessed 2026-05-11}
}