Chalcedony. A semi-important gemstone named after the nearby town of Chalcedon, and is also marketed in lots of Istanbul's multitude of jewellery shops. "Kokoreç" is composed of wound lamb intestines grilled over a spit ,chopped with herbs and spices and usually served as a sandwich. Detour: Don’t overlook the museum https://istanbulwordpress79012.blognody.com/40897113/istanbul-work-options