Rhodochrosite

specimen number:
2354056

location:
Emma Mine, Butte, Montana, USA

description:
Classic for the species and locality, light pink non-lustrous rhombohedral crystals of opaque rhodochrosite to 0.8 cm on edge across the top of matrix. This is in good condition.

Located in the historic mining district of Butte, Montana, USA, the Emma Mine was established in the late nineteenth century as a major underground producer, primarily known for its extensive zinc, manganese, and silver deposits hosted within hydrothermal veins cutting through the Butte Quartz Monzonite. Operations by the Anaconda Copper Mining Company brought national prominence to the site during the early twentieth century, particularly as a vital domestic source of manganese ore. For mineral collectors, the Emma Mine is famous worldwide as the premier locality for world-class, deep pink rhodochrosite crystals and associated sulfide minerals, making its historic specimens highly prized in classic mineral collections.

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