This page lists every known solution for the clue “Black Gemstone” in Crossword Challenge. Because this clue can appear in different puzzles (levels) with different required answers, we first list all the answers, then show which one appears in each puzzle below.
Black Gemstone Crossword Challenge Answers (All Variants)
Onyx
If more than one answer is listed, open your puzzle page below to confirm the one used there.
All Known Answers for Black Gemstone Clue
Puzzle 5 — - Puzzle 470 —
Where This Clue Appears
Last Checked: September 12, 2025