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This book reviews gem corundum origins worldwide, exploring the formation of rubies and sapphires. Using key evidence like trace elements and mineral inclusions, it is a valuable reference for geologists, gemmologists, and traders to identify gemstone origins.
This book reviews gem corundum origins worldwide, exploring the formation of rubies and sapphires. Using key evidence like trace elements and mineral inclusions, it is a valuable reference for geologists, gemmologists, and traders to identify gemstone origins.
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This product has multiple variants. The options may be chosen on the product page