Related Clues:

• It might make a cameo appearance
• It makes a cameo appearance
• Semi-precious stone
• Stone used for jewelry
• Whitish gemstone
• Geyserite, e.g.
• Form of quartz
• Thunder egg component
• Variety of quartz
• Banded gem
• Fall gemstone
• October gem
• Play-of-color stone
• Multi-colored quartz
• Black stone