Native Copper - Specimen citrine cut base and clustered growth across the

and clustered growth across the matrix

Description:  These ceramic cylinder burrs are very rigid and solid

Geological Age: 168–166 mya

flowing look

This large-format book is packed with information connecting the past

Native Copper - Specimen citrine cut base and clustered growth across theMined 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,