Calcite and Celestite on Fluorite, Sub-Rosiclare Level attr., Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. 1993, Ron Roberts Collection CE-16, Small Cabinet, 5.5 x 7.5 x 10.5 cm, $125. Online September 14.
Very attractive combination of transparent calcite and two generations of celestite on yellow and purple fluorite. Note: Primary celestite is typical lath-like sprays and secondary celestite is bladed and transparent. Classic Minerva specimen in very fine condition with only minor localized damage. Ex: Don Brown Collection, Detroit, MI.