Fluorite with Chalcopyrite, Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined c. early 1990's, Ron Roberts Collection UD-12, Miniature 2.5 x 4.5 x 4.5 cm, $65. Online September 14.
NSMW13207
Group of zoned purple fluorite crystals with associated chalcopyrite and no point of attachment. Traces of malachite on corroded calcite crystals. In excellent condition. Ex: Don Brown Collection, Detroit, MI.