Related Clues:

• Stone called 'oculus mundi' in medieval times
• Green mineral
• Gem with a play of color
• Colorful stone
• Fiery stone
• It may be cut or paste
• Whitish stone
• Picasso's birthstone
• Birthstone, e.g.
• Gem for some Libras
•     Gem for some Libras
• ___ glass
• Pearly gem
• Australia's national gemstone
• Ruby, e.g.