Calcite on Fluorite, Rosiclare Level, Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined December 1992, Ralph Campbell Collection, Miniature 4.5 x 5.5 x 7.5 cm, $480. Online 11/3
Beautiful combination of lustrous orange calcite and rich blue fluorite. Advance mining December 1992 during peak production days from this level. In excellent condition. Ralph Campbell Collection.