Related Clues:
- Rock that's coarse-grained, it's a pleasure to report
- Rock making pleasant sound
- Coarse-grained metamorphic rock
- Flagstone material
- Small well in rock
- Hardly hard rock?
- Rock hotel in auction
- Easily split layered rock
- In the end, Ramone sings punk rock
- Metamorphic rock with bands
- Rock fracked for gas
- Fracking material
- Rock that's "fracked"
- Rock whose name sounds good?
- Rock can be kind on the ear