Answer:

We have spotted OPAL (4 Letters) a total of 182 times in our database. Below you may see the clues associated with OPAL and also when and where was it last seen:

Definition

A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity.

Referring crossword puzzle clues

Usage among publishers:

  • Wall Street Journal: Dec 11, 2024
  • New York Times: Nov 16, 2024
  • New York Times: Nov 4, 2024
  • New York Times: Oct 26, 2024
  • New York Times: Oct 21, 2024
  • USA Today: Oct 14, 2024
  • New York Times: Sep 14, 2024
  • LA Times: Aug 29, 2024
  • LA Times: Aug 13, 2024
  • USA Today: Aug 8, 2024
  • Wall Street Journal: Aug 3, 2024
  • Newsday: Aug 2, 2024
  • USA Today: Jul 27, 2024
  • New York Times: Jul 12, 2024
  • USA Today: Jun 29, 2024
  • Newsday: Jun 24, 2024
  • New York Times: Jun 4, 2024
  • Wall Street Journal: May 16, 2024
  • Universal: May 14, 2024
  • LA Times: Apr 14, 2024
  • Universal: Apr 9, 2024
  • Wall Street Journal: Feb 12, 2024
  • Wall Street Journal: Feb 10, 2024
  • Newsday: Jan 28, 2024
  • Newsday: Jan 8, 2024
  • New York Times: Dec 11, 2023
  • USA Today: Nov 24, 2023
  • LA Times: Nov 14, 2023
  • LA Times: Oct 31, 2023
  • Newsday: Jan 6, 2023