Fluorite with Chalcopyrite, Bethel Level, M.F. Oxford #7, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois Small cabinet 4.5 x 7 x 8 cm $75. Online 6/9
Group of yellow fluorite with light purple/blue rims and a few included chalcopyrites. Medium luster and transparency. Distinctive fluorite from Ozark-Mahoning's workings on the Bethel Level. Mined circa early 1970s. Minor cleaves on crystals near the edge. Dr. Perry & Anne Bynum Collection.