Native Copper - Specimen citrine cut base Geological Age: 168–166 mya

Geological Age: 168–166 mya

displaying shifting tones of green

Description:  These ceramic cylinder burrs are very rigid and solid

radial markings

Approximate Size of 1 piece: 69mm x 55mm x 32mm

Native Copper - Specimen citrine cut base Geological Age: 168–166 myaMined from: Keweenaw Peninsula Lake Superior Copper District, Michigan, U. S. A. Description: This one of a kind Native Copper specimen from Michigan, U. S. A. features a broad, naturally irregular sheet like form with rich metallic copper coloration across the surface. The piece has a rugged, textured structure with jagged edges, natural openings, and scattered dark green to gray oxidation and matrix remnants that add depth and contrast. Its wide,