Fluorite with Chalcopyrite, Rosiclare Level, Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined c. early 1980's, Tolonen Collection, Miniature 4.5 x 5.0 x 7.5 cm, $75. Online 3/18 SOLD
Sharp group of deeply colored purple and blue fluorite with light yellow center. Nicely crystallized to all sides and good association with chalcopyrite. Condition: small cleave off extreme corner of main crystal. Mined ca. early 1980s. Tolonen Collection.