plagioclase

English

Etymology

From plagio- +‎ -clase, after German Plagioklas.

Pronunciation

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

Noun

plagioclase (usually uncountable, plural plagioclases)

(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

group of feldspar minerals

Finnish: plagioklaasi
German: Plagioklas
Icelandic: plagíóklas m or n

Russian: плагиокла́з (ru) m (plagiokláz)
Spanish: plagioclasa (es) f

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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