Milky gem
The crossword clue "Milky gem" is answered by OPAL, a 4-letter entry. Used 179 times across 41 distinct years; most recently in 2026. It appears in 24 publications in the xd corpus. Every figure on this page comes from the pilot data itself.
The answer
OPAL
4 letters. See every clue for this answer on the OPAL answer page.
Used 179 times across 41 distinct years; most recently in 2026. It appears in 24 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for OPAL
Every other clue in this pilot answered by OPAL, most used first.
- October birthstone - used 448 times, most recently in 2026
- Iridescent gem - used 148 times, most recently in 2026
- Fall birthstone - used 76 times, most recently in 2026
Related clues
Pilot clues of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Green gem - JADE, used 114 times
Search this clue pilot
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