Pegmatite (noun) Definition, Meaning & Examples

noun Petrology.
  1. a coarsely crystalline granite or other high-silica rock occurring in veins or dikes.
noun
  1. any of a class of exceptionally coarse-grained intrusive igneous rocks consisting chiefly of quartz and feldspar: often occurring as dykes among igneous rocks of finer grain
    Pegmatite (noun) Definition, Meaning & Examples

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