Related Clues:
- Form of agate
- Mineral with coloured layers
- Semi-precious stone used for cameos
- Variety of agate used for making cameos
- Black, to Poe
- Stone seen in Mammoth Cave National Park
- Like 8 but not 25 in one game, it follows 8 and 25 in another
- ______ Christmas (2006 horror movie)
- Hardly snow-colored, to Keats
- Stone for a Cancer, traditionally
- Black, in old poems
- Deep black gem
- Black quartz
- Jack of Tenacious D
- Like Death's dart, to Shakespeare