(SOLD) Rare Copper Replacement Agate and Mohawkite Necklace


1.9 cm wide.  3.3 cm high.

Hangs on 18″ sterling silver rolo chain

Handmade in Bayfield, WI

Out of stock

Out of stock

This agate is 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 rare small piece of Mohawkite.


Named after the original locality, the Mohawk Mine, Mohawkite is extremely rare and occurs only in the Mohawk-Ahmeek area of Keweenaw County, Michigan. It is a unique mixture of copper, nickel, silver and iron, making it a copper ore. Mohawkite that contains quartz is great for making unique one-of-a-kind jewelry.

Properties: The combined energies of the minerals which compose Mohawkite bring stability, balance and openness to ones being.


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