Domeykite-Algodonite

specimen number:
2354019

location:
Mohawk Mine, Keweenaw Co., Michigan, USA

description:
A bright metallic nugget of what is called mohawkite, basically a mixture of domekykite and algodonite, with numerous other minor species.

Situated in Keweenaw County, Michigan, USA, the Mohawk Mine was opened in 1898 to exploit rich native copper and arsenide mineralization hosted within Precambrian basaltic lava flows and interbedded conglomerates. During early underground mining operations, miners encountered unusual tin-white to brassy metallic veins, leading to the discovery of mohawkite, a rare structural mixture composed predominantly of various copper arsenide minerals such as domeykite, algodonite, and arsenical copper. Today, the mine's historic rock dumps are famous among mineral collectors and lapidaries who search for high-grade specimens of mohawkite to cut and polish into striking cabochons showcasing its distinct metallic luster.

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