Related Clues:

• Mars or Venus
• Neptune, for example
• Iron or copper, e.g.
• Rhenium or rhodium
• Platinum, e.g.
• Nickel or copper
• Word with "heavy" or "precious"
• Nickel or cadmium
• Silver or tin
• It goes around annually
• Heavy __
• With 85-Across, beachcomber's device
• Material used in 24-Across
• Type of detector
• Heavy __ music