quartzless

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English[edit]

Etymology[edit]

quartz +‎ -less

Adjective[edit]

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.