Related Clues:

• Smokestack emission
• Light hair color
• Volcanic dust
• Content of some urns
• Hibachi residue
• Whence the phoenix rises
• Silvery gray
• Stromboli outpour
• It may be cast in a flick?
• Output of Mount Etna
• Result of a flare-up?
• Obsidian, once
• Shade of gray
• Pinatubo product
• Silvery-gray