What is the 1999 quarter made of?

The 1999 quarter, like other quarters produced since 1965, is composed of a clad metal. It has a core of pure copper surrounded by a layer of nickel and copper, resulting in a total composition of 91.67% copper and 8.33% nickel. The quarter weighs 5.67 grams and has a diameter of 24.26 millimeters.