| Answer | Crossword Clue |
|---|---|
| OPAL | Siliceous gem. |
| OPAL | Siliceous gem |
| SIAL | Siliceous rock. |
| SIALS | Siliceous rocks. |
| SALIC | Of siliceous minerals. |
| SIAL | Siliceous rock: Geol. |
| Answer | Crossword Clue |
|---|---|
| OPAL | Siliceous gem. |
| OPAL | Siliceous gem |
| SIAL | Siliceous rock. |
| SIALS | Siliceous rocks. |
| SALIC | Of siliceous minerals. |
| SIAL | Siliceous rock: Geol. |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.