Related Clues:

• Klondike find, perhaps
• Mineral bearing rock
• Get a lode of it
• Underground treasure
• Disabled
• It's found in seams
• Galena, for instance
• It needs refinement
• Mispickel, e.g.
• Rockhound's find, perhaps
• Exhibiting a limp
• Kind of excuse
• Furnace input
• Ground-breaking discovery
• Metallurgy material