Sapphire and Tourmaline Ring Gems

Sapphire and Tourmaline Ring Gems; Period: Early Byzantine, circa: 6-7th century. Findspot/Location: Constantinople. Materials: Sapphire, Tourmaline. In the Istanbul Archaeological Museum collections, there are rich and very important works of art belonging to various civilizations from the regions from Africa to Balkans , from Anatolia and Mesopotamia to Arab Peninsula and Afghanistan that were in the borders of the Ottoman Empire.