Fe3C is also known as cohenite, particularly when found mixed with nickel and cobalt carbides in meteorites. This form, a hard, shiny silver mineral, was first described by E. Weinschenk[?] in 1889.
... 770 - Iron horseshoes come into common use
1492 - Leonardo da Vinci describes a flying machine
1662 - Blaise Pascal invents a horse-drawn public bus whic ...
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