Fluorite and Sphalerite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined Nov. 1993, Kalaskie Collection #42-236, Medium Cabinet 6.0 x 8.0 x 12.0 cm, $300. Online 8/23.
Combination of multi-zoned yellow/purple/blue fluorite with lustrous brown sphalerite. Mined from a rich ore section in November 1993. In excellent condition. Betty Kalaskie Collection #42-236.