Chalcedony. A semi-treasured gemstone named once the close by city of Chalcedon, which is marketed in a lot of Istanbul's multitude of jewellery retailers. Nowadays, most metro stations would not have a staffed ticket booth, so you will need to obtain your Istanbulkart with the yellow ticket devices. By tram[edit] https://zandertgral.csublogs.com/44326344/the-best-side-of-istanbul-wp