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Tag : Ancient Sapphire

The Talisman of Charlemagne: New Historical and Gemological Discoveries

Author(s) :

- Date : 2019

Tags : Ancient Sapphire / Charlemagne / Origin Determination / Research / Sapphire

The Talisman of Charlemagne: New Historical and Gemological Discoveries. Published in Gems & Gemology, 2019, 55(1), 30-46.