Origin: Cave-in-rock Illinois USA.
Size: 190 x 170 x 130 mm
Weight: 2994 gm.
Comments: This specimen came to me in an exchange of Haloids during the late eighties. A Broken Hill Iodargyrite for this Fluoride. To this day I am not sure if I got the better of the deal from a canny American collector. But you must admit it is a magnificent looking specimen from this famous locality. It looks wonderful backlit from behind. I have not seen a specimen of Fluorite this size come from this locality.