Dioptase and Cerussite    Tsumeb Mine, Tsumeb, Namibia.   Ex. Thomas Fowler collection.  3.5 x 2.7 x 1.3 cm plate of crystals.  Small spot of damage, one end scraped clean of crystals (could be trimmed off easily) and a small cerussite twin.  Minor Styrofoam attached.  $250