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Opal doublet on Squidoo

'opal doublet' yielded 1 match.

  1. Opal - The Queen of Gems Opal has been called "The Queen of Gems". This page will explore the beauty, history, science and mystique of Opals. Opals have been one of the world's favorite gemstones for centuries. But it is unlike any other gemstone in its structure and complex...