| Answer | Crossword Clue |
|---|---|
| AGATE | Rock used to make marbles |
| FLINT | Rock used to make sparks |
| RIPRAP | Rock used to slow erosion |
| GANISTER | Rock used to line furnaces |
| CBGB | Venue Ramones used to rock |
| MAGMA | What igneous rock used to be |
| YOYOS | They're used to rock the cradle |
| MATTPOND | "Love to Get Used" rock singer from Philadelphia |
| BRIDE | "I knew the ... when she used to rock and roll" |
