Related Clues:

• Fire residue
• Efflux from Etna
• Word with blonde or Wednesday
• Pelée spew
• "Angela's ---"
• Cinder
• Sackcloth partner
• Slow flow
• Smoldering ruins
• Hearth heap
• Tree whose winged seeds look like tiny canoe paddles
• Igneous rock source
• Gray tone
• Can opener?
• Pompeii was covered in it