| Answer | Crossword Clue |
|---|---|
| SILICAS | Flint and opal, essentially |
| SILICAS | Quartz, opals, etc. |
| SILICAS | Quartzes |
| SILICAS | Sand and opal |
| Answer | Crossword Clue |
|---|---|
| SILICAS | Flint and opal, essentially |
| SILICAS | Quartz, opals, etc. |
| SILICAS | Quartzes |
| SILICAS | Sand and opal |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.