Related Clues:
- Hollow rock with crystals
- Sparkly stone
- Rock containing crystal
- Crystal-lined cavity in rock
- Small rock cavity
- Crystal-lined cavity
- Piece in a rockhound's collection
- Amethyst source
- Natural history museum gift shop buys
- Rock containing crystals
- Rock with a cavity of crystals
- Crystalline rocks
- Crystal-centered rock
- Natural history museum objects
- Rocky sparkler