Fluorite on Barite - Rosiclare, Cave in Rock, Illinois, USA
 
 Intact and partly etched fluorite hexahedron on barite. The up to 1.8 cm large fluorites consist of three zones, yellow at the base, purple and finally a perfectly transparent layer (phantom). This aesthetic piece is 7.5 cm by 6 cm and was found in Rosiclare, Cave in Rock Mine in Illinois, USA.