Related Clues:

• Some of this may be picked up at a beach
• Helium or hydrogen
• Heavy rock?
• Gold, e.g.
• Iron or copper, e.g.
• Walnut, e.g.
• Rhenium or rhodium
• Kind of commentator
• Platinum, e.g.
• Nickel or copper
• Word with "heavy" or "precious"
• Nickel or cadmium
• Silver or tin
• Heavy __
• What some laser printers offer