Cuprite      Poteryaeyskoe Mine, Rubtsovskoe, Rudnyi Altai, Western-Siberian Region, Russia.  Lustrous well formed crystals to 1 cm on edge make up this 2.8 x 2.2 x 2.5 cm group.  Two contact areas so at least one will be visible in most views.  Nice, but priced accordingly.  $60