Fluorite - Denton mine, Hardin Co., Illinois, USA

 An American classic with a particularly aesthetically pleasing structure!
 Fluorite hand specimen with wonderful, sharp-edged zonal phantoms from Illinois, USA.
 The step is covered with numerous sphalerite and chalcopyrite crystals!
 Beautiful, intensely colored hand specimen from the classic Denton Mine locality, Hardin Co., Illinois, USA