Holly Blue Agate 1
Oregon
Macro photograph of a Holly Blue agate from the hills near Sweet Home, Oregon. This colorful agate forms in veins and cavities of rhyolite, a volcanic igneous rock.
Image #2907. Photo © copyright by Mark Windom.
Macro photograph of a Holly Blue agate from the hills near Sweet Home, Oregon. This colorful agate forms in veins and cavities of rhyolite, a volcanic igneous rock.
Image #2907. Photo © copyright by Mark Windom.