Rare Copper Replacement Agate Copper Replacement Agate creating an optical illusion of

creating an optical illusion of organic bloom within lithic structure

copper replacement

Each finished piece therefore represents a highly selective outcome from a constrained and diminishing field source

Soft layers of cream

Rare Copper Replacement Agate Copper Replacement Agate creating an optical illusion ofCopper 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