meaning of biotite

biotite meaning in General Dictionary

Mica containing metal and magnesia generally speaking of a black or dark green shade a typical constituent of crystalline rocks See Mica

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  • darkish to black mica found in igneous and metamorphic rock
  • Mica containing iron and magnesia, generally speaking of a black or dark-green shade; -- a typical constituent of crystalline stones. See Mica.

biotite - French to English

biotite


Sentence Examples with the word biotite

In the mica-schists of this group biotite or muscovite may be the principal mineral and often both are present in varying proportions; the mica has developed from the argillaceous matter of the original rock; in addition there is always quartz and sometimes felspar (albite or oligoclase).

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