Fluorite, Rosiclare Level, Victory Mine, Spar Mountain District, Southern Illinois, Ron Roberts Collection F-64, Miniature 2.3 x 2.5 x 3.0 cm, $100. Online September 14.
Sharply zoned yellow and purple fluorite with glass luster. Beautiful little miniature from a rarely document locale. In top condition. Ex: John and Sally Hoskins Collection of Michigan.