Malachite, Gypsum

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An old-time, rare and aesthetic pseudomorph from Ray, Arizona and the Ed Swoboda Collection. Malachite has replaced a very elegant spray of blocky, tabular gypsum crystals. The central "tower" and the two, leaning "towers" to the left are striking. Iron oxides partially coat the malachite and give a very distinctive look to this superb and rare pseudomorph. Old material. The major, upright crystals are pristine.