|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite with Chalcopyrite
|Fluorite with Chalcopyrite
|Cave-in-Rock District, Hardin County, Illinois
|Transparent bi-colored cubic fluorite crystals with glassy crystal faces. The fluorite crystals are yellow, with 2 mm thick purple outer zones. Many 1 mm yellow-metallic chalcopyrite crystals are visible included in the fluorite.
|For reference only
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