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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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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