Sphalerite on Fluorite, Rosiclare Level Butterknife Pod Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined c. 1986-1988, Tolonen Collection, Miniature 4.0 x 4.5 x 5.5 cm, $350. Online 1/13 SOLD
Combination of zoned light purple and yellow fluorite with sphalerite. Largest sphalerite crystal reaches 2.2 cm across and is quite aesthetically perched on the fluorite. Dramatic and excellent specimen from mining ca. 1986-1988 during advance mining in the Butterknife Pod: a parallel offshoot of the main Denton system. Tolonen collection. Entered into Ross Lillie Collection database as RCL2541. Entered into Ross Lillie Collection database as RCL2541.