Malachite after Native Copper & Azurite Copper Rose Mine, San Lorenzo, Georgetown District, Grant Co., New Mexico 2.1cm x 1.46cm x .72cm

Description/Interesting Notes: This specimen consists of a very unusual pseudomorph from this unique New Mexico locality!!! This locality is known for its unique native copper after azurite pseudomorphs, however this specimen is unlike any other I have seen!!! Some time ago we acquired a small group of specimens from this locality in an old collection - these specimens had been self collected by the collector sometime in the forties!!! What was unique however was that there were examples of native copper that had begun to alter to malachite (not just malachite coatings) and some that appeared to be further silicified as well!!! Basically, these were malachite after copper after azurite pseudomorph!!! You can see areas that hosted what looked like dendritic copper replaced by malachite and the core of this specimen appears to be mixture of copper and silica/quartz and it also appears there may be microcrystalline quartz on the outside of the malachite in areas!!! Bottom line - there is some really unusual multiple pseudomorphism going on here!!! Aside from all this - this is one handsome looking specimen - bright green, sharp, and unique!!! The pics hardly do it justice!!! Good luck and be sure to check out my other exciting mineral auctions on ebay!!!

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