Copper Replacement Eye Agate Copper Replacement Agate where plume

where plume

Some agates capture color

This piece may not be defined by bright colors or classic fortification patterns

formed when copper-rich mineral solutions replaced portions of the original agate structure

Copper Replacement Eye Agate Copper Replacement Agate where plumeCopper Replacement Eye Agate Copper Replacement Eye Agate Lake Superior's Gaze Some agates capture color. Others capture pattern. Rarely does a specimen capture attention quite like this Copper Replacement Eye Agate. At the heart of this remarkable Lake Superior agate lies a series of perfectly formed concentric eyes, each surrounded by impossibly fine fortification banding created over billions of years within the volcanic bedrock of Michigan's Upper