Related Clues:

• Emerald or sapphire, say
• It may be forged or precious
• Any birthstone
• Mint need
• Mercury, e.g
• It might be examined with a loupe
• Great find
• Platinum, for example
• 'Columbia, the ___ of the Ocean' (old patriotic song)
• "Heavy" music
• Microwave no-no
• Aquamarine, e.g
• Jewel Margaret sent back
• Old type of road stone
• Lead, say, for Bond's boss and others