Related Clues:
- Pretzel add-on
- Native metal
- Dash in the kitchen?
- Penny : pound :: ___ : krone
- Seam sample
- It runs in veins
- Copper container, perhaps
- Vein pursuit?
- It's picked out of a mine
- Something to be assayed
- 45D homonym
- Mined rocks
- Zincite, e.g.
- "Buried" treasure found in 17-, 27-, 44- and 59-Across
- Bauxite, for example