Related Clues:

• Smelted stuff
• Gold digger's aim
• Unrefined metal
• It passes through adits
• Rocky riches
• Rolling Stones guitarist
• It's mined and refined
• Copse
• Raw rock
• Seam material
• Bucket conveyor's load
• Calif.'s northern neighbor
• Pyrite, e.g.
• Tramcar cargo
• Oak or pine