Malachite, azurite and copper oxide plate... - Lot 16 - FEE - Stanislas Machoïr

Lot 16
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Estimation :
80 - 100 EUR
Malachite, azurite and copper oxide plate... - Lot 16 - FEE - Stanislas Machoïr

Malachite, azurite and copper oxide plate from Arizona, United States. 19cm X 11,7cm

Resulting from the circulation of high temperature hydrothermal sulphide fluids in fractured limestone that penetrate all the micro fractures, this reaction will result in the precipitation of copper carbonates, azurite and malachite

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