plagioclase

English

Etymology

From plagio- + -clase, after German Plagioklas.

Pronunciation

  • (UK) IPA(key): /ˈpleɪdʒɪəkleɪz/
  • (US) IPA(key): /ˈplædʒɪəkleɪz/

Noun

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.

Translations

See also

Further reading

  • Plagioclase” in David Barthelmy, Webmineral Mineralogy Database, 1997–.
  • plagioclase”, in Mindat.org, Hudson Institute of Mineralogy, accessed 29 August 2016.
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