Related Clues:

• Etna output
• White
• Chimney output
• Grayish
• Wood for a 61-Down
• Unnaturally pale
• Hot flick?
• 'Red' or 'white' tree
• Grate stuff
• Fire sign
• Olive kin
• Like some fireplaces
• Combustion residue
• Tough wood
• Kilauea output