Fluorite on Galena with Chalcopyrite, Sub-Rosiclare Level attr., Bahama Pod, Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined c. 1992, ex. Roy Smith Collection M1737, Miniature, 1.7 x 5.0 x 6.0 cm, $150. Online Dec. 12.
A very rare example of galena and sphalerite cast after fluorite with associated chalcopyrite. Note secondary fluorite on "interior" and localized druse of late stage fluorite on "exterior". In excellent condition. Choice epimorph.