andesine


noun

  1. a mineral, intermediate in the plagioclase feldspar group, having a play of colors and usually found as crystals in igneous rocks.

noun

  1. a feldspar mineral of the plagioclase series consisting of an aluminium silicate of sodium and calcium. Formula: NaAlSi 3 O 8 .CaAl 2 Si 2 O 8

  1. A white, gray, green or yellow mineral of the plagioclase feldspar group. Andesine occurs in igneous rocks such as andesite and diorite. Chemical formula: (Na,Ca)(Si,Al)4O8.

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