Related Clues:
- Valuable stuff from down under
- It's S of Wash.
- Mineral-bearing rock
- Mispickel or zinc
- Argentite, e.g.
- A miner matter?
- Potential pay dirt
- Source of scandium
- Result of a vein search?
- Mine car cargo
- Seamy stuff?
- Uranium source, e.g.
- For miners it's major
- It's totally unrefined
- Metal on its way to a refinery