Runderoth, Grunblieberg Mine, Gummersbach, Bergisches Land
8.9 x 6.1 x 4 CM (cabinet)
A cabinet sized Pyromorphite densely covered with dark green crystals in good condition. An older specimen Ex. John Marshall collection of Pyromorphites, obtained by him in 1994 in Munich. The locality given of Runderoth seems to be a specific point in or near the old Grunblieberg (Green lead Mountain) mining area. Nearly all of the matrix shows at least a few Pyros, but the main display face has a 5 CM diameter dense patch of well formed crystals. John was a fanatic collector of Pyros and was on a mission to obtain the best he could find from every locality in the world. He was not able to upgrade from this one during the next 20 years of collecting.