Related Clues:
- Stone used in marbles
- Stone axes one cut in advance
- Semi-precious variety of agate
- Jet-black gemstone
- Brightly colored rock
- Material used in many high-end chess sets
- Black cameo stone
- Old state that's unknown for a form of agate
- Stone seen in ring - there's nothing to be said
- A semi-precious agate
- Quartz gem
- Old drama critic making an entrance
- Silver appearing above eroded stone
- The point of very early comedy
- Semi-transparent stone