Fluorite on Sphalerite with Calcite, Rosiclare Level, Minerva No. 1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, MIned c. 1992-1993, ex. Roy Smith Collection, Small Cabinet, 4.5 x 7.0 x 8.0 cm, $450. Online Dec. 12.
A combination of vividly zoned pale yellow, purple and blue fluorite and high luster brown sphalerite with associated calcite. Nice aesthetic form and in excellent condition. Classic Minerva No. 1.