The Discovery of the Oldest Known Tourmaline Carving

Someone well-known to gemmologists, mineralogists and, indeed, anyone with a keen interest in gems, minerals and great photography, is Gloria Staebler.  

Through Gloria, I was included in an investigation to verify something she had noticed in the course of her research, and I was proud to be able to contribute. We were asked to verify if the Ashmolean Museum in Oxford had correctly identified a gemstone carving of Alexander the Great as Tourmaline. In which case it would be the world’s oldest known tourmaline carving, predating that currently believed to be the oldest by 500years.  

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