Related Clues:
- Gemstone in ring shown by New York Times
- Kind of agate
- Semi-precious form of chalcedony with bands of colour
- Stone in Solomon's Temple
- Stone in some black chess pieces
- Steer round extremely nasty stone
- Traditional gemstone for a seventh wedding anniversary
- ... that begins at the Watergate Hotel / Black gem
- Volcanic substance
- Black gemstone used to make beads
- Banded variety of quartz
- Black rock band to start with zest -- without amps!
- Stone from nursery's borders carried by cattle ...
- Dark gem used in cameos
- Sailor returns with another rock