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Lot n° 16

Malachite, azurite and copper oxide plate from...

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Malachite, azurite and copper oxide plate from Arizona, USA. 19cm X 11,7cm Result of circulation of high temperature hydrothermal sulphide fluids circulating in a fractured limestone that penetrate all the micro fractures, this reaction will give the precipitation of copper carbonates, azurite and malachite