light mineral

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

Words Nearby light mineral Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use light mineral in a sentence

  • The light mineral is finely granulated and the whole is marked by uneven extinction.

    The Long Labrador Trail | Dillon Wallace