Related Clues:

• Mined matter
• Olive byproduct
• Mineral bearer
• Light on a dashboard
• It's well-regulated
• Galena or bauxite
• Well-delivered product
• Try to loosen
• Mined rock
• Substance for smelting
• Many a fine artwork
• Copper source
• It's rough stuff
• Seam find
• Vein makeup