Calcite on Fluorite, attr: Bethel Level Minerva #1 Mine, Minerva Oil Company, Cave-in-Rock District Southern Illinois, Mined c.1960s, Bynum Collection, Small Cabinet 2.0 x 8.0 x 9.0 cm, $200. Online 8/20. SOLD.
Nice group of yellow fluorite with just enough white scattered calcites to add perfect contrast. Really an excellent specimen. One cleaved corner but otherwise in top condition. Bynum Collection.