Fluorite and Sphalerite with Calcite, Rosiclare Level, West Green Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined, c. early 1970s, ex. Louis Lafayette Collection, Miniature, 4.0 x 5.0 x 6.5 cm, $65. Online July 20.
Bright blue cubic fluorite with yellow cores and associated brown sphalerite. Rare color. Has moderate cleaves but specimen still presents well.