Chromium-bearing Clinochlore

Where it forms, where it's found

163recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 18 15.999 287.982
43.65%
12MgMagnesium Magnesium 5 24.305 121.525
18.42%
24CrChromium Chromium 2 51.996 103.992
15.76%
14SiSilicon Silicon 3 28.085 84.255
12.77%
13AlAluminium Aluminium 2 26.982 53.964
8.18%
1HHydrogen Hydrogen 8 1.008 8.064
1.22%
Total 659.782 100.00%
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	18	15.999	287.982	43.65%
12MgMagnesium	Magnesium	5	24.305	121.525	18.42%
24CrChromium	Chromium	2	51.996	103.992	15.76%
14SiSilicon	Silicon	3	28.085	84.255	12.77%
13AlAluminium	Aluminium	2	26.982	53.964	8.18%
1HHydrogen	Hydrogen	8	1.008	8.064	1.22%
	Total	659.782	100.00%

Synonyms

Chrom-Klinochlor
Chrome-Chlorite
Chrome-Clinochlore
Chromian Clinochlore
Chromochlorit
Chromochlorite
Cr-clinochlore
Cromoclorita
Kaemmererite
Kämmererit
Kämmererita
Kämmererite
Kotschubeite
Rhodochrom
Rhodochrome
Rhodochromit
Rhodochromita
Rhodochromite
Rhodophyllit
Rhodophyllite
Rodofilita
Septekämmererit
Septekämmererita
Septekämmererite

Literature, links & citation

Citations

1949Garrido, Julio (1949) Structure cristalline d'une chlorite chromifère. Bulletin de Minéralogie, 72 (10) 549-570 doi:10.3406/bulmi.1949.4685DOI: 10.3406/bulmi.1949.4685
1958Lapham, Davis M. (1958) Structural and chemical variation in chromium chlorite. American Mineralogist, 43 (9-10) 921-956
1975McCormic, George R. (1975) A chemical study of kämmererite, Day Book Body, Yancey County, North Carolina. American Mineralogist, 60 (9-10). p.924-927.
1976Damodaran, K. T. (1976) Chrome Chlorite (Kotschubeite) from the Nuggihalli Schist Belt. Clays and Clay Minerals, 24 (1). 31-35 doi:10.1346/ccmn.1976.0240103DOI: 10.1346/ccmn.1976.0240103
1977Bish, David L. (1977) A spectroscopic and X-ray study of the coordination of Cr3+ ions in chlorites. American Mineralogist, 62 (3-4) 385-389

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Chromium-bearing Clinochlore — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/chromium-bearing-clinochlore-2149},
  note      = {Accessed 2026-05-11}
}