Related Clues:

• Miner's rock
• Part of the underground economy?
• Foundry need
• Flin Flon commodity
• Lode locale
• 'I got dibs!'
• "I got dibs!"
• Refinery stuff
• Assay sample
• Rush igniter
• "I'll catch it!"
• Gold-nugget source
• Rich find
• Dig this, and mine your business
• Natural minerals