granophyre

(-fīr′)

noun

an igneous rock similar to granite in composition and appearance, but containing larger crystals of quartz and feldspar in a matrix of a finer grain

Origin: Ger granophyr, arbitrary blend < granit, granite + porphyr, porphyry

Related Forms:

See granophyre in American Heritage Dictionary 4

noun
A fine-grained granite porphyry having a groundmass with irregular intergrowths of quartz and feldspar.

Origin:

Origin: German Granophyr

Origin: : grano-, grano-

Origin: + (Por)phyr, porphyry (from Medieval Latin porphyrium; see porphyry)

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Related Forms:

  • granˌo·phyrˈic (-fîrˈĭk) adjective

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