Related Clues:
- Miner's discovery, perhaps
- It needs refining
- Klondike find, perhaps
- Mineral bearing rock
- Get a lode of it
- Underground treasure
- Happy bivalve?
- It's found in seams
- Galena, for instance
- It needs refinement
- Mispickel, e.g.
- Rockhound's find, perhaps
- Furnace input
- Ground-breaking discovery
- Metallurgy material