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asapscience: Malachite is a copper carbonate hydroxide mineral that often forms deep underground where the water table and hydrothermal fluids can form chemical precipitation. [http://bit.ly/2kT3Ehb]
asapscience: Malachite is a copper carbonate hydroxide mineral that often forms deep underground where the water table and hydrothermal fluids can form chemical precipitation. [http://bit.ly/2kT3Ehb]