Sphalerite and Fluorite with Chalcopyrite, attr. Sub-Rosiclare Level North-End Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined ca. 1983, Holzner Collection #C009, Small Cabinet 5.0 x 6.5 x 8.0 cm, $250. Online 5/1
High luster mounded group of deep brown sphalerite in combination with zoned purple and yellow fluorite and brassy chalcopyrite. A very fine specimen from mining circa 1983 early in the development of the North-End ore body. In excellent condition. Ken & Marilee Holzner Collection #C009. Entered into Ross C. Lillie database as RCL2653.