quartzless

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English

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Etymology

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From quartz +‎ -less.

Adjective

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quartzless (not comparable)

  1. (mineralogy) Lacking quartz.
    • 1885, Charles Lyell, The Student's Elements of Geology:
      The majority of the Diorites are quartzless; but some contain Quartz, and are then termed Quartz-diorites.