Birdwatch Note Rating
2024-05-13 17:28:28 UTC - HELPFUL
Rated by Participant: EEDE7AAA514B913AC7B8024C8445C3268135AA1F23E4D22F470184B866E59BAE
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