I have my late grandpa’s silver spoon attached to my fridge with a neodymium magnet. What kind of chemical reaction causes that discolouration?
I have my late grandpa’s silver spoon attached to my fridge with a neodymium magnet. What kind of chemical reaction causes that discolouration?
That would make sense. I searched for neodymium coating and found that they’re often coated with Nickel-Copper-Nickel or Zinc. 🤔