Mimetite, Goethite, Gypsum

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An exceptionally aesthetic pseudomorph from the famed Santa Eulalia District of Mexico. Sparkly, botryoidal, tan mimetite covers a sharp and complete all-around goethite after gypsum crystal on mimetite-covered goethite matrix. The back of the pseudo has a very distinctive groove and the lightly contacted termination reveals the inner core of goethite. Certainly not a detraction, but in fact, a "revelation." This is an oddity - have not seen the like before. Ex. Brent Lockhart Collection.