Fluorite - Denton Mine, Harris Creek Mining Sub-Dist., Hardin Co., Illinois, USA More info: https://www.irocks.com/minerals/specimen/51086 An amazing and sculptural Fluorite specimen from Illinois with great yellow and purple colors and superior luster! This is an example of classic, historic Illinois Fluorite styles with the tip of two cubes each perched on a thick, combined stalk that used to be the center of the same cube. This is very three-dimensional piece that consists of two Fluorite thr

Fluorite - Crystal Mine, Cave-In-Rock Mining Sub-Dist., Hardin Co., Illinois, USA More info: https://www.irocks.com/minerals/specimen/51660 Here is a beautifully zoned yellow and purple Fluorite from the less prolific Crystal Mine in the Illinois Fluorspar district (same deposit, and later merged into the Minerva Mine, if I recall). This absolutely lovely piece has a large, rich yellow, mostly transparent core with some slightly turbid areas at the interior, along with a sharply defined, 3 to 4

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