Related Clues:

• Prized rock
• Whitish gem
• Cat's-eye, e.g.
• Lapidary's item
• 1995 hurricane
• Green stone
• It may be precious
• Shimmery stone
• Friend of Pearl and Ruby?
• Milky white gem
• Lapidarist's item
• Gem of the oldest continent
• Emerald, e.g.
• Stone for some Libras
• Play-of-color gemstone