Related Clues:

• Bauxite, for one
• Face extraction
• People dig it
• Gold digger's strike
• Stuff to smelt
• Dirty money source?
• PST st.
• It gets refined
• Refinery fodder
• Metal container?
• Willemite or wolframite
• 1/100 of a krone
• Bonanza, essentially
• A prospector might get a lode of it
• Bend's st.