|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Sphalerite on Quartz with Fluorite
|Sphalerite on Quartz with Fluorite
|Mahoning Mine, Cave-in-Rock District, Hardin County, Illinois
|Large cluster of lustrous black sphalerite crystals to 5 mm on transparent quartz crystals to 0.5 mm crystallized on all sides of an elongated core of granular quartz with transparent cubic purple fluorite crystals to 1 mm along one face. Ex. Al Beres collection #A-410
|For reference only
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