PYRITE cubes in matrix Wenatchee Ridge, near Wenatchee Lake, Chelan County, Washington, USA pyrite cubes to 1.5 cm Collected by Jeff Schwartz in 1999 Photo Copyright © 2002 Jeffrey M. Schwartz
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PYRITE cubes in matrix Wenatchee Ridge, near Wenatchee Lake, Chelan County, Washington, USA pyrite cubes to 1.5 cm Collected by Jeff Schwartz in 1999 Photo Copyright © 2002 Jeffrey M. Schwartz
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