Tawmawite

Where it forms, where it's found

3recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 13 15.999 207.987
26.74%
26FeIron Iron 3 55.845 167.535
21.54%
24CrChromium Chromium 3 51.996 155.988
20.05%
14SiSilicon Silicon 3 28.085 84.255
10.83%
13AlAluminium Aluminium 3 26.982 80.946
10.41%
20CaCalcium Calcium 2 40.078 80.156
10.30%
1HHydrogen Hydrogen 1 1.008 1.008
0.13%
Total 777.875 100.00%
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	13	15.999	207.987	26.74%
26FeIron	Iron	3	55.845	167.535	21.54%
24CrChromium	Chromium	3	51.996	155.988	20.05%
14SiSilicon	Silicon	3	28.085	84.255	10.83%
13AlAluminium	Aluminium	3	26.982	80.946	10.41%
20CaCalcium	Calcium	2	40.078	80.156	10.30%
1HHydrogen	Hydrogen	1	1.008	1.008	0.13%
	Total	777.875	100.00%

Synonyms

Chrome-Epidote
Chromepidote
Tawmawit
Tawmawita

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Tawmawite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/tawmawite-9988},
  note      = {Accessed 2026-05-11}
}