A stunning blue Fluorite over yellow with distinct purple zoning. Many of the sharp cubes display beautiful internal color zoning, and the piece is complete with no matrix on the back. When lit, the specimen glows brilliantly, revealing its vivid color zones. From the Rosiclare Level, Minerva #1 Mine, Cave-in-Rock, Hardin County, Illinois. 12 x 10.8 x 4.8 cm