The October Birthstones, Opal and Tourmaline are very unique and offer endless options for healing and color choices. Tourmaline is just the right choice for any type of jewelry since it has a great durability. #birthstone #gemstone #article #guide #gemstonearticle #stone #birthgemstone #opal #opalbirthstone #october #octoberbirthstone #tourmaline #tourmalinebirthstone
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