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Pyrite and nontronite
Sugar Grove, Pendleton County, West Virginia, USA
A right-angle pyrite bar mostly coated with nontronite.  The bar is 0.9 mm tall. (Author: Pete Richards)

Pyrite and nontronite
Sugar Grove, Pendleton County, West Virginia, USA
A right-angle pyrite bar mostly coated with nontronite. The bar is 0.9 mm tall. (Author: Pete Richards)

Dimensions: 600 x 450
File size: 38.33 kbytes
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