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sericite

[ser-uh-sahyt] /ˈsɛr əˌsaɪt/
noun, Mineralogy
1.
a fine-grained variety of muscovite produced by the alteration of feldspar.
Origin
1850-1855
1850-55; < German Sericit. See seric-, -ite1
Related forms
sericitic
[ser-i-sit-ik] /ˌsɛr ɪˈsɪt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sericite
  • The sericite was spectrally identified while the pyrite was inferred from the presence of spectrally identified jarosite.
  • The country rocks are predominantly quartz-sericite, hornblende schists, and quartz-sericite-feldspar gneiss.

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