Fluorite and Barite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined ca. 1992, Koster Collection, Miniature 5.0 x 6.0 x 6.5 cm, $250. Online 03/07. SOLD.
Combination of deeply zoned yellow, purple and blue fluorite on a three dimensional mound of barite and limestone. Striking contrast of cubic fluorite and barite. In excellent condition. Mined ca. 1992. Sam & Ann Koster Collection.