Related Clues:

• ___ glass
• Pearly gem
• Australia's national gemstone
• Whitish gem
• 1995 hurricane
• Shimmery stone
• Friend of Pearl and Ruby?
• Milky white gem
• Gem of the oldest continent
• Stone for some Libras
• Play-of-color gemstone
• Semi-precious stone
• Whitish gemstone
• Geyserite, e.g.
• Thunder egg component