Collection: Native Copper

Prehnite, Native Copper, and Microcline

Osceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA

53 x 50 x 27 mm | 52.58 g

Quartz, Prehnite, and Native Copper

3rd Level "Silver Forest," Mass C Mine, Ontonagon County, Michigan, USA

38 x 27 x 16 mm

Native Copper and Quartz

3rd Level "Silver Forest," Mass C Mine, Ontonagon County, Michigan, USA

30 x 26 x 21 mm

Microcline Var. Adularia and Native Copper

3rd Level "Silver Forest," Mass C Mine, Ontonagon County, Michigan, USA

23 x 16 x 13 mm

Native Copper, Quartz, and Epidote

3rd Level "Silver Forest," Mass C Mine, Ontonagon County, Michigan, USA

50 x 50 x 28 mm

Microcline var. Adularia, Copper, Quartz and Epidote

3rd Level "Silver Forest," Mass C Mine, Ontonagon County, Michigan, USA

49 x 25 x 23 mm

Microcline Var. Adularia, Epidote, and Tenorite-Coated Copper

3rd Level "Silver Forest," Mass C Mine, Ontonagon County, Michigan, USA

51 x 44 x 29 mm

Microcline Var. Adularia, Epidote, and Tenorite-Coated Copper

41 x 32 x 25 mm

Native Copper, Adularia, Epidote, and Tenorite

3rd Level "Silver Forest," Mass C Mine, Ontonagon County, Michigan, USA

32 x 20 x 11 mm

Native Copper, Microcline (Var. Adularia), Epidote, Quartz, and Tenorite

3rd Level "Silver Forest," Mass C Mine, Ontonagon County, Michigan, USA

35 x 26 x 21 mm

Native Copper

Keweenaw County, Michigan, USA

23 x 23 x 6 mm

Prehnite with Native Copper

Keweenaw County, Michigan, USA

37 x 34 x 28 mm

Prehnite with Copper

Keweenaw County, Michigan, USA

36 x 17 x 6 mm

Prehnite & Copper

Keweenaw County, Michigan, USA

29 x 19 x 16 mm

Prehnite with Native Copper

Keweenaw County, Michigan, USA

35 x 24 x 14 mm

Native Copper

Keweenaw County, Michigan, USA

41 x 26 x 6 mm

Native Copper with Barite

White Pine Mine, White Pine, Ontonagon County, Michigan, USA

82 x 24 x 13 mm