Birdwatch Note Rating
2024-05-11 09:32:21 UTC - HELPFUL
Rated by Participant: 6A6EF413FA84CB1F5EB262B90EFF0B4C113EC7BFA42D25B3D5C42C0B3B0E538A
Participant Details
Original Note:
Copper patina first reacts with oxygen forming copper oxide and eventually becomes copper carbonate after reacting with CO2 in the air. Malachite is copper carbonate hydroxide and forms under specific conditions. https://www.sciencedirect.com/science/article/abs/pii/S0010938X98000936 https://www.sciencedirect.com/topics/earth-and-planetary-sciences/malachite#:~:text=Malachite%20is%20the%20another%20copper,copper%20orebodies%20in%20the%20vicinity.
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