Kerolite

(Mg,Ni)3Si4O10(OH)2·nH2O (n ~ 1)
IMA status
  • Grandfathered
IMA symbol
Krl
Discovered
1823
Also known as
  • Cerolit
  • Cerolita
  • Cerolite
  • +4 more

Where it forms, where it's found

34recorded occurrences
Source · OpenStreetMap

Physical

Hardness
123456789102 – 2.5/ 10 MOHS
  1. 1Talc
  2. 2Gypsum
  3. 3Calcite
  4. 4Fluorite
  5. 5Apatite
  6. 6Orthoclase
  7. 7Quartz
  8. 8Topaz
  9. 9Corundum
  10. 10Diamond
Colour
white · brown · green · colorless
Streak
white

Crystallography

Crystal system
Monoclinic
Cell parameters
b = 9.14 Å
Morphology

Aggregates of submicron-scale platelets.

Comment

Diffraction peaks are few and broad; d(001) = 9.6 Å

Synonyms

  • Cerolit
  • Cerolita
  • Cerolite
  • Hydrosilicite (of Kuh)
  • Kerolit
  • Kerolita
  • Kerolith

Literature, links & citation

Citations
  1. 1977Brindley, G.W., Bish, D.L. and Wan, H.-M. (1977) Teh nature of kerolite, its relation to talc and stevensite. Mineralogical Magazine: 41: 443-452.
  2. 1979Brindley, G.W., Bish, D.L. and Wan, H.-M. (1979) Compositions, structures, and properties of nickel-containing minerals in the kerolite-pimelite series. American Mineralogist: 64: 615-625.
  3. 1988Stoessel, R.K. (1988) 25oC and 1 atm dissolution experiments of sepiolite and kerolite. Geochimica et Cosmochimica Acta: 52: 365-374
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Kerolite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/kerolite-7133},
  note      = {Accessed 2026-05-11}
}