Mineral: Cuprite on Goethite
Locality: Czar Mine, Copper Queen Mine, Queen Hill, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, USA
Dimensions: 6.0 x 3.5 x 2.4 cm
Description: A hollow stalactite of black botryoidal goethite hosting sharp octahedral crystals of cuprite to 4 mm partially coated with a thin layer of malachite.
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