AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Connecticut > Pyrite (filiform crystals) on Calcite

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Pyrite (filiform crystals) on Calcite from railroad cut near Thomaston Dam, Litchfield County, Connecticut

 
Pyrite (filiform crystals) on Calcite from railroad cut near Thomaston Dam, Litchfield County, Connecticut

Pyrite (filiform crystals) on Calcite from railroad cut near Thomaston Dam, Litchfield County, Connecticut

Pyrite (filiform crystals) on Calcite from railroad cut near Thomaston Dam, Litchfield County, Connecticut

Pyrite (filiform crystals) on Calcite from railroad cut near Thomaston Dam, Litchfield County, Connecticut

Photo below under shortwave ultraviolet illumination:
Pyrite (filiform crystals) on Calcite from railroad cut near Thomaston Dam, Litchfield County, Connecticut

DESCRIPTION:No. 56687
Mineral:Pyrite (filiform crystals) on Calcite
Locality:railroad cut near Thomaston Dam, Litchfield County, Connecticut
Description:Yellow-metallic pyrite crystals exhibiting rare filiform habit of elongated rectangles to 6.5 mm on translucent calcite that fluoresces under SW UV illumination with smaller cubo-octahedral pyrite crystals to 1.5 mm in a cavity at the top. Ex. Thomas A. Penney (1934-2019) collection #179, collected in the 1970s by a construction worker at the site.
Overall Size:8x6.5x3.5 cm
Crystals:0.2-6.5 mm
Archived: For reference only

 

 

 

 

 

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