Colourless-white cubic crystals of Fluorite are encased in a outer zone of creamy coloured Fluorite, crystals measuring to 1.3cm on edge. From the Poldice Mine, Gwennap, Cornwall, later forming part of the St.Day United group of mines. Along with the Fluorite crystals are scattered round crystal of metallic yellow Chalcopyrite, on a druse of vein Quartz. A somewhat rare specimen from the Poldice Mine.