Materials and methods: A total of 300 stones were obtained at Atatürk University, Faculty of Medicine Urology Clinic through open surgery, percutaneous nephrolithotomy (PNL), ureterorenoscopy (URS), and extracorporeal shock-wave lithotripsy (ESWL) between 1 January 2005 and 30 December 2008. Stones were analyzed in the laboratory of Ankara General Directorate of Mineral Research Exploration usi...