felsite

(felsīt′)

noun

a light-colored, dense, fine-grained igneous rock consisting mainly of feldspar and quartz

Origin: < felspar + -ite

See felsite in American Heritage Dictionary 4

noun
A fine-grained, light-colored igneous rock, composed chiefly of feldspar and quartz.

Origin:

Origin: fels(par)

Origin: + -ite1

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Related Forms:

  • fel·sitˈic (-sĭtˈĭk) adjective

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