A very fine specimen, depicting tabular crystals of Wulfenite measuring to 1.4cm epimorphed by Mottramite from the famous Tsumeb Mine, Namibia. A deep camouflage green Mottramite forms hollow replacements of the Wulfenite crystals. The botryoidal Mottramite has formed over a druse of inter grown lustrous colourless to white rhombs of Calcite. A rare epimorph from the Tsumeb Mine