Related Clues:

• Silent butler deposit
• Santa's suit covering, maybe
• Fine, black stuff
• Fire pit remnant
• Mt. St. Helens output
• Pompeii's undoing
• Incense residue
• Symbol of penance
• "... ___, dust to dust"
• Louisville Slugger wood, perhaps
• Pool-cue wood
• Silver-gray shade
• Volcano plume
• Mary Kay of cosmetics
• Pale hardwood