Chalcedony. A semi-treasured gemstone named following the nearby town of Chalcedon, and it is sold in many of Istanbul's multitude of jewellery outlets. To really get away from all of it, hop a ferry with the Kabataş or Kadıköy piers to the Princes’ Islands, a favorite urban escape for centuries https://messiahvisdp.sasugawiki.com/7269934/a_simple_key_for_istanbul_wp_unveiled