Oltu stone
Oltu stone (Turkish: Oltu taşı) is a kind of jet found in the region around Oltu town within Erzurum Province, eastern Turkey. The organic substance is used as semi-precious gemstone in manufacturing jewelry.
Oltu stone (Turkish: Oltu taşı) is a kind of jet found in the region around Oltu town within Erzurum Province, eastern Turkey. The organic substance is used as semi-precious gemstone in manufacturing jewelry.
Oltu stone (Turkish: Oltu taşı) is a kind of jet found in the region around Oltu town within Erzurum Province, eastern Turkey. The organic substance is used as semi-precious gemstone in manufacturing jewelry.
Source: Wikipedia "Oltu stone" · CC BY-SA 4.0
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