October Birthstones are Opal and Tourmaline

Mike and I have a theory about the October birthstones. Opal and Tourmaline are two of the most unique gems man has ever dug up. Their properties are honest-to-goodness freaky. So we speculate that sometime in our distant past, a hairy guy with a sharp stick discovered an opal, while over on another savanah another […]

Categories: American Gem Society, Birthstones, Opal, This month's birth stone, Tourmaline

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