anorthoclase definition

  • noun:
    • some of a group of feldspars being combined salt and potassium aluminosilicates.
    • A feldspar closely linked to orthoclase, but triclinic. It's chiefly a silicate of salt, potassium, and aluminium. Sp. gr., 2.57 -- 2.60.
    • A triclinic feldspar allied to microcline but containing a considerable amount of soda: characteristic of particular igneous rocks, as the andesite of Pantelleria.

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  • Definition for "anorthoclase"
    • some of a group of feldspars being combined…
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  • Sentence for "anorthoclase"
    • Blocks of anorthoclase - and clinopyroxene-bearing…
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