Fluorite with Barite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined ca. 1990-1992, Koster Collection #00247, Small Cabinet 6.0 x 6.5 x 9.0 cm, $1500. Online 03/07. SOLD.
Richly zoned yellow, purple and blue fluorite with associated white barite. The fluorite crystals are 'bar-like' or rectangular and measure 3 x 4.5 and 3 x 5 cm across. Upon close examination there is a white barite ball included within one of the fluorites. Note partial dissolution of barite as characteristic of this ore body. One small cleave on upper, back side of one crystal. Excellent color and zoning. Mined ca. 1990-1992. Sam & Ann Koster Collection #00247.