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

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