Fülöppite

Fülöppite is a rare member of the plagionite group, comprising heteromorphite Pb₇Sb₈S₁₉, plagionite Pb₅Sb₈S₁₇ and semseyite Pb₉Sb₈S₂₁. It was named in 1929 for Dr Bela Fülöpp, (1863–1938), a Hungarian lawyer, statesman and mineral collector.