Calcite Rhisnes, Namur, Namur Province, Belgium 2 x 2 cm ...
Description: Calcite Rhisnes, Namur, Namur Province, Belgium 2 x 2 cm aprox. Calcite with handwritten label and indexed faces by Dr. Giuseppe Cesàro (1849-1939), Professor of Crystallography and Mineralogy, University of Liege, who first described the fraipontite. Buttgenbach & Gillet honored him by naming cesarolite a new discovered species.