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  1. Opal Gemstone Overview | Learn About October Birthstone

    The "opal" name originates from the Greek word opallios, which meant “to see a change in color.” Learn about precious and common opal varieties and more.

  2. October Birthstones | Opal and Tourmaline - American Gem Society

    Oct 4, 2023 · Venture into the vibrant worlds of October birthstones: opal and tourmaline. These dazzling gemstones have fascinating histories and an array of colors.

  3. October Birthstones: Opal & Tourmaline | Colors, History & More

    October birthstone choices include Tourmaline and opal. Either choice of birthstone for October will make a stunning piece of jewelry. Learn more.

  4. History of Opal Gemstones | 1974 Opal Discovery - American Gem …

    Starting in 1974, opal was synthetically created. Now, natural and synthetic opal are available. The world’s largest and most valuable opal, “Olympic Australis,” came from Australia during the 1956 …

  5. October’s Birthstones are Bursting with Color: Opal & Tourmaline

    Sep 30, 2016 · October features two incredible birthstones: opal and tourmaline. They each display an exciting and intense array of colors, making them popular choices for jewelry designers and collectors.

  6. Opal Minded’s Lottery Celebrates October in Style - American Gem …

    Opal Minded, a renowned jewelry brand specializing in exquisite opal creations, is thrilled to announce its exciting lottery in celebration of October, the month of opal, the Australian birthstone.

  7. October Birthstone: Opal Gemstone Overview Information

    The name “opal” originates from the Greek word opallios, which meant “to see a change in color.” Learn about precious and common opals, an October birthstone.

  8. Traditional Birthstone Chart by Month | American Gem Society

    Sapphire Overview Sapphire History How to Buy Sapphire October Birthstones Opal Overview Opal History How to Buy Opal

  9. Birthstones | Birthstone Origins - American Gem Society

    August Sardonyx August Spinel September Sapphire October Opal October Tourmaline November Topaz November Citrine

  10. Nature’s Artistry: Opal’s Phenomenal Play-of-Color

    Oct 29, 2024 · When you see the dance of colors inside an opal, you know why the phenomenon was given the name it was. The colors are playing, always in motion, vibrant and loud.