Quarter (United States coin) - Wikipedia, the free encyclopedia
The current clad version is two layers of cupronickel, 75% copper and 25% nickel, on a core of pure copper. [2] The total composition of the coin is 8.33% nickel, with the remainder copper. It weighs 0.2000 avoirdupois oz, 1/80th of a pound, 0.1823 troy o...