Fluorite with Calcite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. 1993, Tolonen Collection, Medium Cabinet 5.5 x 10.0 x 14.5 cm $3500. SOLD
Exceptionally richly-zoned blue, yellow and purple fluorite, crystals to 7 cm on edge, with associated light orange calcite crystals to 2.5 cm. Good luster and transparency. Center is yellow followed by light purple, then intense dark purple to multiple shades of rich blue. A striking specimen from advance mining ca. 1993. Small cleave off one corner edge. Tolonen Collection. Entered into Ross C. Lillie database as RCL2560.