Contents

EnglishEdit

EtymologyEdit

From plagio- +‎ -clase, after German Plagioklas.

PronunciationEdit

NounEdit

plagioclase ‎(usually uncountable, plural plagioclases)

  1. (mineralogy) Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium.
    • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 51:
      These crystals are of one of the most abundant minerals in nature – feldspar; furthermore, they are of a particular kind of feldspar rich in the element calcium, termed plagioclase.

TranslationsEdit

See alsoEdit

External linksEdit

  • plagioclase Barthelmy, David (accessed 29 August 2016) Webmineral Mineralogy Database[1]
  • plagioclase mindat.org[2], Hudson Institute of Mineralogy, accessed 29 August 2016
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