Malachite, Smithsonite, Quartz, Mottramite   Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia.  Ex. Thomas G. Fowler collection.  A interesting mix with the malachite and quartz being unusual finds for the locality.  The light gray area is composed of tiny, gray doubly-terminated quartz crystals.  There is no damage to the piece and only a couple of very small contact areas along its edges.  5.9 x 5.5 x 4 cm.  Displays nicely and crystallized on all sides.  $425