Related Clues:
- Rock formed by cooling lava
- Agate form
- Ornamental chalcedony
- Cryptocrystalline form of quartz
- Banded cameo stone
- Rock in Namibia's Organ Pipes formation
- Mexican figurine mineral
- Most volcanic rock
- Most igneous rocks
- Agate's cousin
- Moon rock composition
- Stone axes – small number brought back
- Variety of agate needs working unknown times
- Inky stone
- Gem mentioned in several Exodus verses