| Answer | Crossword Clue |
|---|---|
| OPALS | Silica-based gems |
| OPAL | Silica-based mineral |
| Answer | Crossword Clue |
|---|---|
| OPALS | Silica-based gems |
| OPAL | Silica-based mineral |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.