Chalcoalumite

Unknown Owner

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An old-time, much sought-after classic chalcoalumite specimen from the Type Locality - the Copper Queen Mine at Bisbee. Turquoise-blue chalcoalumite botryoids, in a really interesting echelon pattern, cover the gossan matrix. Chalcoalumite is a rare copper, aluminum sulfate. This is undoubtedly old material, dating from the late 1800s-early 1900s, but no proof. Ex. Dennis Mullane Bisbee Collection.