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Plagioclase vs Diorite - What's the difference?

plagioclase | diorite |

As nouns the difference between plagioclase and diorite

is that plagioclase is any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium while diorite is a grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene.

plagioclase

English

Noun

(en-noun)
  • (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 .

    • See also

    * ("plagioclase" on Wikipedia) * albite * oligoclase * andesine * labradorite * bytownite * anorthite * rock * mineral * feldspar

    diorite

    English

    (wikipedia diorite)

    Noun

    (en noun)
  • (rock) A grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene.

    • Derived terms

    * dioritic * granodiorite * microdiorite