Related Clues:

• Obsidian, before cooling
• Volcanic rock
• Contents of a barbecue pit, often
• Cone material
• ___-blond
• Evidence of burnout?
• Neutral shade
• Smokestack emission
• Light hair color
• Volcanic dust
• Hibachi residue
• Silvery gray
• Stromboli outpour
• It may be cast in a flick?
• Output of Mount Etna