Chalcedony. A semi-treasured gemstone named after the close by town of Chalcedon, and it is sold in a lot of Istanbul's large number of jewellery shops. Through the Bosphorus to east is Asian Aspect, centred round the historical districts of Kadıköy and Üsküdar, and maybe best symbolized by Maiden’s Tower, https://istanbulwp35789.blogginaway.com/37484596/is-wordpress-is-free-can-be-fun-for-anyone