Fluorite and Sphalerite, Rosiclare Level, Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. early 1990's, Tolonen Collection, Miniature 3.5 x 4.0 x 5.5 cm $250. Online 1/15 SOLD.
Combination of yellow and blue fluorite and sphalerite. Note glassy yellow, semi-transparent fluorite is partially over-grown with blue, transparent cubes. In excellent condition and mined ca. early 1990s- probably 1992. Tolonen Collection.