Related Clues:
- Azurite or malechite, e.g.
- Raw smelting material
- What's mined to keep?
- It may need refinement
- It usually ends in "ite"
- Historic Newcastle resource
- What rock fans may dig?
- It's of miner concern
- Mineral bearing material
- Contents of some trams
- Scuttle stuff
- Shipment to a smeltery
- Source of silver
- It's found in a lode-bearing wall
- Kentucky's state mineral