Calcite on Fluorite, Rosiclare Level attr., Minerva No. 1 Mine, Cave-in-Rock District, Southern Illinois, ex. Roy Smith Collection M1306, Small Cabinet, 5.5 x 7.0 x 9.0 cm, $650. Online Dec. 14
Combination of rich lilac purple lustrous fluorite and silky light brown calcite. Fine three dimensional form and excellent aesthetics. Note: Fluorite crystals show sharp tetrahexahedral modifications. Highly unusual shade of fluorite; rare. In top condition. Choice. Note: Roy Smith purchased the specimen in June 1998 from the collection of Gene Harrison.