Illinois
20038 Calcite, Pyrite, Marcasite, Conco Mine, North Aurora, Kane Co., Illinois, USA
Inclusions of pyrite and marcasite. From the Wise Lake Formation. Ex Jared Freiburg, Saga Minerals. Acquired at Tucson in 2011. And here is Jared with one of his cases in 2011 at the Hotel Tucson...
10001 Calcite, Fluorite, Hill-Ledford Mine, Cave-in-Rock, Hardin Co., Illinois, USA
Tiny cream calcite crystals on dark purple fluorite from the Hill-Ledford Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois – Kentucky Fluorspar District, Hardin Co., Illinois, USA. Largest fluorite 65mm across. Mined in the late 1950s or early...