> Iron is iron. How is it different that it "came from a meteorite?" Actual metals are never 100% pure any one element. There are always alloys and impurities

> Iron is iron. How is it different that it "came from a meteorite?" Actual metals are never 100% pure any one element. There are always alloys and impurities that speak to it's origins and history. e.g. "The significant nickel concentration and consistent occurrence of cobalt confirm the meteoritic origin of the iron blades" https://www.sciencedirect.com/science/article/abs/pii/S1296207417305356 https://www.sciencedirect.com/science/article/abs/pii/S12962...