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perthite

[ pur-thahyt ]

noun

, Mineralogy.
  1. a variety of feldspar containing irregular bands of albite in microcline.

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Other Words From

  • per·thit·ic [per-, thit, -ik], adjective
  • per·thiti·cal·ly adverb

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Word History and Origins

Origin of perthite1

1832; named after Perth, Ontario, Canada; -ite 1

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