Copper in Calcite

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White Pine Mine, White Pine, Ontonagon Co., Michigan, USA 8x.5x3.5cmStriking copper specimen featuring vibrant native copper crystals embedded in white calcite matrix. Sourced from the historic White Pine Mine in Michigan's Ontonagon County, a legendary locality for copper minerals. This 8 × 0.5 × 3.5 cm specimen showcases the classic contrast between bright metallic copper and pale calcite host rock. A distinctive addition to any mineral collection, with authentic provenance and notable geological significance from one of North America's premier copper sources. Show more