Related Clues:

• Xenon, for one
• Band of gold?
• See 38-Across
• Bauxite or hematite
• Mesabi Range yield
• Change from a krone
• Jabber
• Tank filler
• It lacks refinement
• Step on it!
• See 5-Down
• Some can dig it
• A number of dental patients?
• Valuable rocks
• It's found in the ground