nephelinite

1. An igneous rock consisting of nepheline and pyroxene (synset 114707608)
   is a type of: mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
   substance holonym:

   • nepheline, nephelite - a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels
   • pyroxene - any of a group of crystalline silicate mineral common in igneous and metamorphic rocks

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