light mineral

noun Geology.

any rock-forming mineral that has a specific gravity of less than 2.8 and is generally light in color.

Nearby words

  1. light machine gun,
  2. light meter,
  3. light microscope,
  4. light middleweight,
  5. light mill,
  6. light mineral oil,
  7. light music,
  8. light on,
  9. light opera,
  10. light out

Compare dark mineral. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019