Copper Replacement Eye Agate Copper Replacement Agate The chlorastrolite itself is a

The chlorastrolite itself is a rare material

specimens like this are becoming increasingly difficult to recover

highlighting the complex mineral history preserved within the specimen

These nodules form as discrete rounded structures within volcanic basalt

A remarkable addition for advanced agate collectors

Copper Replacement Eye Agate Copper Replacement Agate The chlorastrolite itself is aCopper 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