Related Clues:

• Geyserite, e.g.
• Thunder egg component
• Fall gemstone
• October gem
• Like Dorothy's slippers
• Play-of-color stone
• Heroine of ''Because of Winn-Dixie''
• Birthstone for some
• "Fire" stone
• Stone made of hydrated silica
• A birthstone
• It's a form of hydrated silica
• Outback gem
• Stone for many a Libra
• Play-of-color gem