Chalcedony. A semi-treasured gemstone named following the close by town of Chalcedon, and it is sold in most of Istanbul's large number of jewellery stores. Ideal across the park, gaze at one of Istanbul's most legendary hotels with its ornate gates, the Çiragan Palace Kempinski, inside a former Ottoman palace. https://istanbulwordpress67890.angelinsblog.com/35796488/5-easy-facts-about-istanbul-work-described