Related Clues:
- Stone often carved
- Type size for fine print
- Blackish form of quartz
- Type of quartz
- Cameo mineral
- Band with the 1993 single 'Slam'
- Banded agate
- May birthstone, once
- Dark form of quartz
- Playing marble with bands
- A fine playing marble
- Mortar/pestle material
- Cousin of a cat's-eye
- Marble variety
- Jet-black rock