White APOPHYLLITE and NATROLITE Robertson Pit, near Dayton, Mason County, Washington, USA Horizontal field of view is approximately 3 cm Collected by Jeff Schwartz in 2005 Photo Copyright © 2005 Jeffrey M. Schwartz
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White APOPHYLLITE and NATROLITE Robertson Pit, near Dayton, Mason County, Washington, USA Horizontal field of view is approximately 3 cm Collected by Jeff Schwartz in 2005 Photo Copyright © 2005 Jeffrey M. Schwartz
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