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Continue to ChatMineralogic And Physical Characterizatoin of The Oltustone, A Mystical Gemstone (Occurring Around Oltu-Erzurum-Eastern Turkey) - https://avesis.akdeniz.edu.tr/yayin/d4e43fa4-2949-44a9-b9fd-6b7596d7036a/mineralogic-and-physical-characterizatoin-of-the-oltustone-a-mystical-gemstone-occurring-around-oltu-erzurum-eastern-turkey