Related Clues:
- Rock
- Unyielding
- Igneous rock composed of feldspar and hornblende
- Hard rock
- Stone Mountain's makeup
- Igneous rock
- New Hampshire product
- New Hampshire (with ''state'')
- Coarse-grained rock
- Mt. Rushmore material
- Like curling stones
- Countertop choice
- Symbol of hardness
- Crystalline igneous rock
- Countertop material