|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Iowa > Pyrite on Calcite
|Pyrite on Calcite
|Pint's Quarry, Raymond, Black Hawk County, Iowa
|Yellow metallic pyrite crystals up to 1.5 mm on translucent colorless scalenohedral calcite crystals to 15 mm long on limestone matrix. The pyrite crystals are octahedral crystal form with cubic corner faces.
|micro to 15 mm
|For reference only
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