Related Clues:
- Chalcedony agate
- ... is seen at the centre of a rock
- Rock one sailor's given back to another
- A white substance lying under black rock
- Stone animal on outskirts of New York
- Marble-like gemstone
- Rock that sets one sailor spinning around another
- Fine-grained variety of chalcedony
- Degree conferred on mariner in 16
- Only ten, not fifty getting precious stone
- Explosively blast a rock
- State breaking something strong as stone
- Striped agate
- Rock band opening a season
- Kind of rock sailor turned over, then another