| Answer | Crossword Clue |
|---|---|
| SCHIST | Easily-split variety of rock. |
| SLATE | Easily split rock |
| SHALE | Easily split rock |
| SCHIST | Easily split rock |
| SCHIST | A slaty rock, easily split. |
| MICA | Easily-split mineral |
| MICA | Easily split mineral |
| MICA | Easily split stuff |
| MICA | Mineral easily split into layers |
