Rhombohedral SIDERITE with amorphous iron silicate (yellow) Golden Horn Batholith, Washington Pass, Okanogan County, Washington, USA Horizontal field of view is 1 cm Self-collected in 2007 Photo Copyright © 2008 Jeffrey M. Schwartz
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Rhombohedral SIDERITE with amorphous iron silicate (yellow) Golden Horn Batholith, Washington Pass, Okanogan County, Washington, USA Horizontal field of view is 1 cm Self-collected in 2007 Photo Copyright © 2008 Jeffrey M. Schwartz
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