Calcite on Fluorite, Rosiclare Level Cross-Cut Ore Body, Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. 1992, Tolonen Collection, Miniature 3.5 x 3.5 x 5.7 cm, $75. Online 1/13.
Calcite xls to 3.5 cm on etched, light brown fluorite. No point of attachment and in excellent condition. Mined ca. 1992 from advance mining in the Cross-Cut orebody. Tolonen Collection