Chalcedony. A semi-important gemstone named after the nearby city of Chalcedon, and is offered in many of Istanbul's large number of jewellery shops. You will also find 4 other tram strains linking residential and industrial suburbs within the northwest with the town centre: T2, and that is a nostalgic tram https://beaulykue.wikiworldstock.com/1690794/istanbul_work_options