Malachite

Unknown Owner

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Mineral specimens from the very uncommon Yerrington Mountain Copper Company of Mineral County, Nevada are extremely rare on the market. This very fine, vuggy thumbnail crust is richly covered with botryoidal malachite in various shades of blue, green and brown. Highly unusual, rare, old-time material from the 1960s or 1970s from the Dick Jones Thumbnail Collection.