Fluorite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined ca. 1991-1993, Koster Collection #00049, Miniature 3.0 x 3.5 x 6.0 cm, $250. Online 03/07. SOLD.
Platy group of zoned yellow and purple, semi-transparent fluorite with a few tiny chalcopyrite crystals. Good luster and presentation. A couple of very tiny edge nicks. Mined ca. 1991-1993. Sam & Ann Koster Collection #00449.