Chrome antigorite

Where it forms, where it's found

2recorded occurrences

Source · OpenStreetMap

Physical

Transparency: Translucent
Colour: Purple or lavender

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
51.96%
12MgMagnesium Magnesium 3 24.305 72.915
26.31%
14SiSilicon Silicon 2 28.085 56.170
20.27%
1HHydrogen Hydrogen 4 1.008 4.032
1.46%
Total 277.108 100.00%
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	51.96%
12MgMagnesium	Magnesium	3	24.305	72.915	26.31%
14SiSilicon	Silicon	2	28.085	56.170	20.27%
1HHydrogen	Hydrogen	4	1.008	4.032	1.46%
	Total	277.108	100.00%

Literature, links & citation

Citations

1961Varadarajan, S. (1961) Chromian Antigorite from the Chromite Deposit near Byrapur, Mysore State, India. Journal of the Geological Society of India, 2. 98-103
2017Neuendorf, Klaus K.E., Mehl, James P. Jr., Jackson, Julia A. - Eds. (2017) Glossary of Geology (5th ed.). American Geological Institute (AGI).

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Chrome antigorite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/chrome-antigorite-52732},
  note      = {Accessed 2026-05-11}
}