Mineral: Volborthite
Locality: Summit Rock, Klamath County, Oregon, USA
Dimensions: FOV = 1.8 mm

Description: Yellow volborthite on an amorphous green material. The volborthite is not found in the andesite that contains the cavities but in the cavity free core of the plug. It has developed along thin seams in the andesite blocks.I collected this.

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