Mindi Mond NY's Edwardian Australian opal ring with diamonds and Burma rubies.

Forbes.com –
Beth Bernstein, contributing editor –

Those born in October have multiple choices when it comes to their birthstone. Opals, the primary stone, features an array of alternatives: Australian black opals, which are anything but basic black. Instead, they are the most valuable opal and are vividly colored with beautiful shimmering flecks; Australian Boulder opals are the second most valuable opal, which often come out of the ground looking like miniature paintings when polished and set. There are fire opals which are orange or reddish in the background, flecked with different hues, white opals, which are softer and more common and pink opals which are traditionally more opaque. Is it any wonder that the word opal derived its name from “opalus”, which means “to see a change in color.”

Although there is a secondary birthstone which is tourmaline, and a lovely choice, here we concentrate on the range of opals in a range of antique, vintage and modern designs.

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Theo Fennell, 18K Gold, 44.32-carat Australian Black Opal, with multi-color sapphire surround
Roskin Gem News Report
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