Related Clues:

• Bonfire aftermath
• Igneous-rock source
• Sweep's heap
• It's grate stuff
• Volcano's outflow
• Bat making material
• 'The Evil Dead' protagonist
• Cigar refuse
• Leucite source
• Mine tailings
• Word with mountain or fly
• Campground residue
• Volcanic buildup
• Wood often used to make guitars
• Steel mill byproduct