Need to geek out about magnetism or Permalloys with your squad? Throw in ⚫❇️💎 to level up your convo - the black circle (⚫) represents the iron, the sparkles (❇️) signify the nickel, and the gemstone (💎) is the magic that happens when they're combined to create super strong magnetic alloys. Now your friends will be drawn to your awesomely nerdy chat.