Fluorite with Sphalerite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. 1992-1994, Tolonen Collection, Small Cabinet 4.0 x 7.0 x 8.5 cm, $450. SOLD
Group of lustrous yellow fluorite with light blue rims, to 4.5 on edge, with associated sphalerite on matrix. Edges of crystals are slightly raised displaying a hopper effect. Advance mining c. 1992. One tiny little cleave on one edge of one crystal. Tolonen Collection.