ON APPROVAL. Fluorite with Chalcopyrite, Bethel Level, M.F. Oxford #7 (attr.), Ozark-Mahoning Company (attr.), Cave-in-Rock District, Southern Illinois Small cabinet 3.5 x 7 x 9 cm $200. Online 6/9
ON APPROVAL. Platy group of zoned yellow and light purple fluorite with included chalcopyrite. The matrix has a thin veneer of sandy limestone. Crystals to 2 cm. Mined circa 1970s. In excellent condition Holzner Collection #778.