Chromium-bearing Mimetite

Where it forms, where it's found

3recorded occurrences

Source · OpenStreetMap

Safety & handling

Physical

Colour: Crimson-red · bright yellow to orange.

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
82PbLead Lead 5 207.200 1036.000
56.42%
8OOxygen Oxygen 24 15.999 383.976
20.91%
33AsArsenic Arsenic 3 74.922 224.766
12.24%
24CrChromium Chromium 3 51.996 155.988
8.50%
17ClChlorine Chlorine 1 35.450 35.450
1.93%
Total 1836.180 100.00%
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
82PbLead	Lead	5	207.200	1036.000	56.42%
8OOxygen	Oxygen	24	15.999	383.976	20.91%
33AsArsenic	Arsenic	3	74.922	224.766	12.24%
24CrChromium	Chromium	3	51.996	155.988	8.50%
17ClChlorine	Chlorine	1	35.450	35.450	1.93%
	Total	1836.180	100.00%

Synonyms

Chromian Mimetite

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Chromium-bearing Mimetite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/chromium-bearing-mimetite-26754},
  note      = {Accessed 2026-05-11}
}