Fluorite with Chalcopyrite, Lillie Pod Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined c. 1984, Tolonen Collection, Miniature 4.0 x 5.5 x 6.5 cm, $125. Online 3/18
Grop of zoned light purple and yellow fluorite with associated chalcopyrite inclusions and surface crystals. Note: there are a couple of very fine 'nail-like' chalcopyrites included on largest crystal. In addition, the largest crystal 2.5 cm, is twinned on the Penetration Law. Condition: trivial edge chips. Tolonen Collection.