Calcite and Fluorite on Barite, attr: Minerva #1 Mine, Minerva Oil Company, Cave-in-Rock District, Southern Illinois, Mined c. early 1960s, Bynum Collection, Small Cabinet 3.0 x 4.0 x 7.5 cm, $125. Online 8/20 SOLD
Group of semi-transparent, light purple/blue fluorite on barite matrix with good association with drusy calcite. Displays very well and nice miniature from mining c. early 1960s. One cleaved corner but it's clean and blends with matrix. Bynum Collection.