Fluorite, Rosiclare Level, Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined c. 1983, Ralph Campbell Collection, Miniature 5.0 x 6.5 x 7.5 cm, $250. Online 11/6.
Mounded group of zoned purple/blue fluorite with cubic and rectangular shaped crystals to 1.5 cm. Note light gray limestone matrix as classic from Denton Mine. Mined circa 1983 from main ore body. In excellent condition. Ralph Campbell Collection.