SLX10 Fluorite
Minerva No. 1 Mine, Cave-in-Rock, Hardin Co., Illinois, USA
7.5x 6.1x 1.2 cm
$335
An unusual fluorite specimen from the world famous fluorite mines of southern Illinois, this one is a sort of cast composed of numerous purplish blue cubes. The back is flat, and shows the outline of something else that the fluorite grew on