Calcite on Fluorite, Rosiclare Level Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined c. Late 1980-1981, Koster Collection #00651, Medium Cabinet 5.0 x 9.0 x 12.0 cm, $350. Online 3/11. SOLD.
Group of zoned purple and yellow fluorite with a sparkly preferential druse of calcite. Associated brassy chalcopyrite with fluorite. Classic Denton Mine specimen from mining ca. early 1980s. Small cleave off edge crystal. Sam & Ann Koster Collection #00651. Entered into Ross C. Lillie database as RCL2573.