Copper

Quincy Mine, Keweenaw Penn.,

Houghton Co., Michigan,

USA

8x3x6cm

Native copper specimen from the legendary Quincy Mine in Michigan's Keweenaw Peninsula. This classic American locality is renowned for producing some of the finest copper crystals and masses in the world. The specimen measures 8x3x6 cm and showcases the rich, warm metallic luster characteristic of premium Keweenaw copper. The Quincy Mine operated for over a century and remains a cornerstone reference for collectors seeking authentic, historically significant copper pieces. This specimen represents the geological heritage of one of North America's most productive copper districts. Ideal for mineral collectors, educators, and those drawn to the natural beauty and conductivity of native copper. A tangible connection to Michigan's mining legacy.