Eighty-One Mine 10
From the Eighty-One Mine, Castle Dome, Arizona, a less-common combination of violet Fluorite with white Willemite and light green Hyalite infused in the Fluorite.  The picture makes the piece look flat but in actuality it has a peak in the middle.  Shown under shortwave UV.  Dimensions are 4 x 3 x 2 inches.  Price: $20