Sample preparation

Egyptian blue pellets for mineralogical analysis at University of Vienna thanks to Ao.Univ.-Prof. Dr. Christian L. Lengauer. Sand sample preparation for analysis at University of Vienna and Montanuniversität Leoben thanks to Univ.-Prof. Mag.rer.nat. Dr.mont. Frank Melcher and Assoz.Prof. Dipl.-Ing. Dr.mont. Doris Groß.