Filiform PYRITE with PALYGORSKITE on CALCITE, Pend Oreille Mine, Washington

Filiform PYRITE with PALYGORSKITE on CALCITE
Pend Oreille Mine, near Metalline Falls, Pend Oreille County, Washington, USA
Horizontal field of view is ~1.5 cm
Ex-Jim Browne Collection

Photo Copyright © 2013 Jeffrey M. Schwartz
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