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The Mineral Garden



Regular price $5.00
Regular price Sale price $5.00
Sale Sold out
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This listing is for 1 piece of Raw copper  

Locality : Caledonia Mine, Michigan

Size approx  :  1/2"    (2g-4g)

  • Common Localities: Keweenaw Peninsula, Michigan, USA; Bisbee, Arizona, USA; Chuquicamata Mine, Chile; Katanga Province, Democratic Republic of Congo
  • Composition: Copper (Cu)

   Copper is a reddish-brown metal that is known for its high conductivity and malleability. It is often found in its natural form as nuggets or large masses, as well as in various copper-bearing minerals such as chalcopyrite, malachite, and bornite.

The Caledonia Mine in Michigan was a copper mine that operated from 1863 to 1958. It is located in Ontonagon County in the Upper Peninsula of Michigan. The mine produced a significant amount of copper ore during its operation, with over 900 million pounds of copper extracted over its lifetime.

Copper pieces from the Caledonia Mine are highly sought after by collectors and enthusiasts for their unique characteristics and historical significance. The copper from this mine is known for its rich, warm reddish-brown color, which is due to the high iron content found in the local rocks. The copper pieces are often found in distinctive crystal formations or as individual chunks, with varying shapes and sizes.

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