AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Pyrite-Marcasite nodule

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - 
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Pyrite-Marcasite nodule from Portland Limestone Quarry, 9 km east of Florence, Fremont County, Colorado

 
Pyrite-Marcasite nodule from Portland Limestone Quarry, 9 km east of Florence, Fremont County, Colorado

Pyrite-Marcasite nodule from Portland Limestone Quarry, 9 km east of Florence, Fremont County, Colorado

Pyrite-Marcasite nodule from Portland Limestone Quarry, 9 km east of Florence, Fremont County, Colorado

Pyrite-Marcasite nodule from Portland Limestone Quarry, 9 km east of Florence, Fremont County, Colorado

DESCRIPTION:No. 77359
Mineral:Pyrite-Marcasite nodule
Locality:Portland Limestone Quarry, 9 km east of Florence, Fremont County, Colorado
Description:Spherical nodule of yellow-metallic pyrite and marcasite crystals. All tests of similar nodules from Colorado limestone deposits indicate that both pyrite and marcasite are present and these should be considered mixed composition. Acquired in August 1994 from Ben Speed
Overall Size:23x22x20 mm
Crystals:1-8 mm
Archived: For reference only

 

 

 

 

 

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