Fluorite, Rosiclare Level, Minerva No. 1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. early 1990's, ex. Roy Smith Collection, Medium Cabinet 3.5 x 9.0 x 9.0 cm, $350. Online Dec. 14
NSMW13516
Group of pale yellow and pastel blue zoned fluorite. Specimen was found loose in the pocket as there is no point of attachment and is in excellent condition. Note: Growth interference on one edge of specimen from residual hydrocarbons.