Black gemstone crossword clue 3 and 4 letters

Each answer on this list has been paired with the clue “Black gemstone” in previously completed puzzles, giving you a useful set of entries already known to fit similar grid scenarios.

Answer List:

  • ONYX
  • JET

Synonyms and Definitions

JET

  • Synonyms: blue jet, cat valium, coal-black, fountain, green, gush, honey oil, jet plane, jet-black, jet-propelled plane, k, pitchy, reverse lightning, sooty, special k, spirt, spurt, squirt, super acid, super c