Birdwatch Note Rating
2024-05-11 05:45:45 UTC - HELPFUL
Rated by Participant: 76B38A762B89E65E2BE7F627D5BD63D42294BC2B8923950A36EBE0D56E6FAB6B
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.
All Note Details