Fluorite with Calcite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. 1992-1994, Tolonen Collection, Small Cabinet 5.7 x 6.3 x 9.5 cm $1500. Online 1/15 SOLD
Multi-zoned fluorite with associated calcite. Interior is a light yellow overlaid with a sharp purple band and followed with multiple zones of blue. Characteristic frothy-like surface on back from dissolution of barite. Pristine condition. Advance mining ca. 1992-1994 but most likely 1993. Excellent piece. Tolonen Collection. Entered into Ross C. Lillie Collection database as RCL2547.