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Copper agate
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Copper replacement agate. Photo credit: sukowssuperiorminerals.
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Copper Replacement Agate
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The rarest form of agate in the world!!! These copper replacement lake superior agates are unlike any other agate.They are found in one very small area on the Keweenaw peninsula of Upper Michigan.Unfortunately the basalt that these agates are found in is going to be ground up into road gravel this fall.Once that is done they will never be found again.I am hitting them hard this summer so I may save a bunch of them to sell to collectors.
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Agate with Copper and Chalcotrichite The striking feature of this copper agate is the large reddish area on the lower left. You are looking through very clear calcite to the backside of the agate...
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COPPER WEEK! Copper replacement Agate. Wolverine #2 Mine, Houghton Co., Michigan.
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Copper Replacement Agate is a rare type of agate where native copper has replaced the usually occurring chalcedony bands, creating a mesmeri...
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