Fluorite and Sphalerite, Rosiclare Level, Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois Miniature 2.5 x 5 x 5.5 cm $60. Online 10/28
Combination of zoned purple and yellow fluorite with lustrous deep brown sphalerite. The amount of sphalerite and fluorite is nicely balanced for good visual contrast. Advance mining ca. 1992. Note well developed tetra hex faces on the fluorite cubes. In excellent condition. Betty Kalaskie Collection.