|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Wisconsin > Calcite over Sphalerite and Marcasite
|Calcite over Sphalerite and Marcasite
|American Zinc Mine, Shullsburg District, Lafayette County, Wisconsin
|Translucent yellow-gray calcite crystals to 40 mm on a double-sided plate of black sphalerite crystals to 5 mm and yellow-metallic marcasite crystals to 4 mm. American Zinc operated several mines including the Thompson and Bear Hole mines. Ex. Duane Riel (Milwaukee, Wisconsin); ex. Rutgers University Geology Museum
|For reference only
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