Fluorite with Chalcopyrite, Sub-Rosiclare Level Annabel Lee Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined ca. 1986-1988, Koster Collection #00443, Miniature 3.5 x 5.5 x 7.0 cm, $85. Online 03/07. SOLD.
Lustrous, zoned yellow and light purple fluorite with associated chalcopyrite inclusions and traces of light brown barite. Crystals to 5 cm on edge. Tiny little nick on corner of large crystal. Mined ca. 1986-1988. Sam & Ann Koster Collection #00443.