Copper Replacement Agate and Diamond Necklace


2.6 cm wide.  3 cm high.

Hangs on 18″ oxidized sterling silver rolo chain

Handmade in Bayfield, WI

1 in stock


This agate in a rare Copper Replacement Agate from the Wolverine Mine in Houghton County, MI. These copper/agates are not considered Lake Superior Agates, but are agates from Lake Superior area copper mines. Experts can’t agree on just how these agates formed, but in some way the copper coming up as super heated steam met the silica materials coming down and filled the same vesicles.

Whatever the geology, it’s just plain cool looking.

This piece also includes a 2 mm diamond is set in 14K gold.


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