Fülöppite, a New Hungarian Mineral of the Plagionite-Semseyite Group1
I. de Finály and Sándor Koch
Royal Hungarian Geological Survey
Hungarian National Museum, Budapest.
1Read at the Hungarian Academy of Sciences, Class III (Natural History), on April 22, 1929. The mineralogical and crystallographic work was done by Dr. S. Koch in the Mineralogical-Petrographical Institute of the Pázmány Péter University, Budapest, and the chemical portion by I. de Finály in the Chemical Laboratory of the Royal Hungarian Geological Survey.