Schefferite

Where it forms, where it's found

18recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
25MnManganese Manganese 2 54.938 109.876
28.74%
8OOxygen Oxygen 6 15.999 95.994
25.11%
14SiSilicon Silicon 2 28.085 56.170
14.69%
26FeIron Iron 1 55.845 55.845
14.61%
20CaCalcium Calcium 1 40.078 40.078
10.49%
12MgMagnesium Magnesium 1 24.305 24.305
6.36%
Total 382.268 100.00%
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
25MnManganese	Manganese	2	54.938	109.876	28.74%
8OOxygen	Oxygen	6	15.999	95.994	25.11%
14SiSilicon	Silicon	2	28.085	56.170	14.69%
26FeIron	Iron	1	55.845	55.845	14.61%
20CaCalcium	Calcium	1	40.078	40.078	10.49%
12MgMagnesium	Magnesium	1	24.305	24.305	6.36%
	Total	382.268	100.00%

Synonyms

Schefferit
Schefferita

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Schefferite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/schefferite-3561},
  note      = {Accessed 2026-05-11}
}