Related Clues:
- Cinnabar and manganite
- Rock discoveries
- Refined matters
- Metal bearers
- Earthshaking matters?
- They're found in rock bands
- Candidates for refinement
- Rocks of high value
- Things running through California
- Rocks or minerals containing metals
- Defects and failings
- Flaws, imperfections
- Weakness or failings
- 'Flaws, imperfections (6)'
- Are they coming short the other way round?