Goethite

Unknown Owner

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A beautiful, jet-black cluster of botryoidal goethite that almost completely drapes a core rock matrix. This is likely a very old specimen, and comes from a long defunct locale. It is, for a black mineral, really attractive. The piece is complete on the display face and has just a few breaks to the surface on the backside. It was last in the Ed David Collection (Ed was a director of the White House Office of Science and Technology and a former science advisor to President Nixon). Ed obtained it from the Uli Burchard collection.