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Walter R. Kellogg


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Mineral Specimen #2665    Silver Copper Halfbreed Float Nugget

Keweenaw County, Michigan

4.8 x 3.3 x 1.5 cm


A nugget of Copper with two Silver crystals at one end. This was found on the surface where it had been moved by glaciation, thus the term 'float'. The specimen has some green oxidation due to its exposure to the elements. It appears as if the Silver has been cleaned. There are a few small scratches in the patina which shows the underlying brighter color of Copper underneath.

From the George Katzmarek collection

This mineral is also found in the following galleries: Minerals From Michigan | Gold and Silver | Copper | Minerals Priced Between 25 and 49 Dollars