Calcite on Fluorite and Barite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined 1992, Kalaskie Collection #42-203, Miniature 3.5 x 6.0 x 8.0 cm, $300. Online 11/3
Pretty combination of zoned yellow and purple fluorite, light yellow calcite and sparkly barite. Note early phase of light gray hemispherical barite that is lightly ex-solved and re-precipitated as tiny bladed crystals. Trivial cleaves on calcite. Advance mining 1992. Betty Kalaskie Collection #42-203.