| Answer | Crossword Clue |
|---|---|
| OBSIDIAN | Relative of perlite |
| perlites | PERLITE, a volcanic glass |
| perlitic | pertaining to perlite (a volcanic glass) |
| Answer | Crossword Clue |
|---|---|
| OBSIDIAN | Relative of perlite |
| perlites | PERLITE, a volcanic glass |
| perlitic | pertaining to perlite (a volcanic glass) |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.