Chalcedony. A Semi-valuable gemstone named once the close by town of Chalcedon, and is also marketed in lots of Istanbul's multitude of jewellery shops. Setting up Together with the new Ataturk Cultural Middle during the renowned Taksim Sq., the equally well known Istiklal Avenue stretches all the approach to Tünel Sq., waiting for link from Web 2.0 Blogs (33)