OKANOGANITE (fourling twin) in miarolitic cavity Golden Horn Batholith, Washington Pass, Okanogan County, Washington, USA Vertical field of view is 2.0 mm. Self-collected during the summer of 2008 Photo Copyright © 2017 Jeffrey M. Schwartz
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OKANOGANITE (fourling twin) in miarolitic cavity Golden Horn Batholith, Washington Pass, Okanogan County, Washington, USA Vertical field of view is 2.0 mm. Self-collected during the summer of 2008 Photo Copyright © 2017 Jeffrey M. Schwartz
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