Rare Copper Replacement Agate Copper Replacement Agate Soft layers of cream

Soft layers of cream

and striking eye formations create a display piece that is equally at home in a serious mineral collection or showcased as a natural work of art

Even stable material behaves inconsistently under the wheel

Once a viable section is identified

Rare Copper Replacement Agate Copper Replacement Agate Soft layers of creamCopper Replacement Agate Keweenaw Peninsula, Michigan A striking Copper Replacement Agate featuring a well defined copper structure surrounded by delicate banding. Soft layers of cream, and warm peach tones create a natural pattern that took millions of years to form within ancient volcanic rock. Copper Replacement Agates are among the most sought after agates from Michigan's Keweenaw Peninsula, formed when copper rich mineral solutions replaced