`rod-agate-stone` Related Article Results

Çubuk Agate Stone is a natural ornamental stone unique to the Çubuk district of Ankara, consisting of a variety of chalcedony of volcanic origin. Formed within andesitic and rhyolitic units of Miocene-age volcanic sequences, this stone is distinguished by its characteristic rod-like crystal structures and layered banding. Under Law No. 6769 on Industrial Property, the stone was registered on 6 December 2017 as a “Geographical Indication” following an application submitted by the Çubuk Municipali