Definition of illite in English:

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illite

Pronunciation: /ˈɪlʌɪt/

noun

[mass noun]
A clay mineral of a group resembling micas, with a lattice structure which does not expand on absorption of water.
Example sentences
  • Common clays are usually mixtures of clay minerals such as illite, smectite, and kaolinite, together with fine silica and other minor constituents.
  • The clay minerals illite, chlorite and montmorillonite were identified within the palaeosols by X-ray diffraction.
  • Clay minerals are mainly illite and chlorite, with only traces of smectite, vermiculite and kaolinite.

Origin

1930s: from Illinois + -ite1.

For editors and proofreaders

Line breaks: il¦lite

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