rough bornite peacock ore rock on white

aleurite almandine almandite amethyst antimonite aventurine background beryl bornite collage collection corundum cuprite cutout dolomite eudialyte fluorite garnet gem gemstone geological gneiss granite isolated kunzite mineral mineralogical morganite name natural pink purpurite pyrope quartz rhodochrosite rhodonite rhyolite rock rodolite rose ruby set siltstone stibnite stone unpolished ussingite various vorobyevite white