Barite after Witherite on Fluorite, Bethel Level, Minerva #1 Mine, Minerva Oil Company, Cave-in-Rock District, Southern Illinois Miniature 5 x 6 x 6 cm $450. Online 11/19
True pseudomorphs from the southern Illinois district are exceedingly rare. The largest and best examples come from the upper level in the Minerva #1 Mine and were produced in the early days of high production. This piece shows he classic pseudohexagonal witherite prisms replaced by fine white drusy barite. The cores are hollow with remnant textures visible as barite replacments as well. Fluorite breccia matrix. A couple of the small pseudos are open on the top edge indicating damage: remainder very clean. Roy Smith Collection M483. Mr. Smith writes on back of his label: "Obtained from Howard Schlansker at a Seton Hall (show) on 7/78".