AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Iowa > Calcite, Marcasite, Pyrite

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Calcite, Marcasite, Pyrite from attributed to La Farge Quarry(?), Buffalo, Scott County, Iowa

 
Calcite, Marcasite, Pyrite from attributed to La Farge Quarry(?), Buffalo, Scott County, Iowa

Calcite, Marcasite, Pyrite from attributed to La Farge Quarry(?), Buffalo, Scott County, Iowa

Calcite, Marcasite, Pyrite from attributed to La Farge Quarry(?), Buffalo, Scott County, Iowa

DESCRIPTION:No. 56198
Mineral:Calcite, Marcasite, Pyrite
Locality:attributed to La Farge Quarry(?), Buffalo, Scott County, Iowa
Description:Translucent white scalenohedral calcite crystals to 20 mm with bladed iridescent marcasite crystals to 3 mm over a rounded group of pyrite crystals with copper-colored iridescent surfaces, possibly caused by chalcopyrite microcrystals.
Overall Size:7.5x5x3.5 cm
Crystals:micro to 20 mm
Status: Sold - Posted here for reference only
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