Good reference quality example for the species from the type locality, light blue crystalline and massive shattuckite scattered throughout matrix.Located in the famous Bisbee district of Cochise County, Arizona, USA, the Shattuck Shaft operated as a major underground copper producer throughout the early to mid-twentieth century within complex, oxidized carbonate-hosted ore deposits. The locality became world-renowned among mineral collectors following the 1915 discovery of shattuckite, a rare secondary copper silicate mineral named directly after the mine. Shattuckite typically forms vivid blue fibrous aggregates, micro-crystals, and pseudomorphs within the supergene oxidation zones, cementing the Shattuck Shaft's status as a classic American mineral locality.
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