Calcite on Fluorite, Rosiclare Level, Minerva No. 1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, MIned c. 1992-1993, ex. Roy Smith Collection, Small Cabinet, 4.7 x 7.0 x 7.2 cm, $250. Online Dec. 12.
Hemispherical group of amber yellow calcite crystals showing parallel alignment. Classic specimen from the great producing years of the early 1990's. Fluorite matrix. A few crystals are tipped but do not materially detract.