This beautiful copper specimen will not last it a wonderful thing of beauty. The appox weight is 15 lbs. A nice specimen of natural Copper from Caledonia Mine, Michigan. This free form was originally in a mineral based matrix that was chipped away to reveal the beautiful Copper mineral with a natural sheen. Size L-12" x W-6" x D-6"

Copper is a reddish colored metal with a high electrical and thermal conductivity. It has its characteristic color because it reflects red and orange light and absorbs other frequencies in the visible spectrum due to its band structure. It is in the same family as Silver and Gold and is a malleable metal. It is beautiful natural or polished.

Paratacamite, var. Anarakite Sometimes zinc can replace some of the copper in paratacamite - this miniature of granular anarakite (or zincian paratacamite) and cerussite. Dendritic floating growth, very esthetic and aerial, with elongated crystals with some sharp faces.

The Caledonia Mine was first opened in 1863. Mining giant Calumet & Hecla purchased it in the late 1930s, subsidized by funding in anticipation of war. From 1950 to 1958 a government-funded pilot project connected it with the Mass Mine and removed six million pounds of copper.

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