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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Opal or onyx 3 letters:

GEM: Onyx or opal
GEM: Opal or onyx
GEMS: Onyxes and opals
GEMS: Onyx and opal
GEMSTONE: Opal or onyx
STONE: Opal or onyx
GEMS: Opal and onyx