CoinCompositionDiameterWeightCent (to 1982).950 copper .050 tin and zinc19 mm3.11 gramsCent (1982 to date).992 zinc .008 copper19 mm2.5 grams5 cents (Nickel).750 copper .250 nickel21.2 mm5 grams10 cents (Dime)clad coinage: .750 copper and .250 nickel bonded to an inner core of pure copper17.9 mm2.27 grams25 cents (Quarter)clad coinage: .750 copper and .250 nickel bonded to an inner core of pure copper24.3 mm5.67 grams50 cents (half dollar)clad coinage: .750 copper and .250 nickel bonded to an inner core of pure copper30.6 mm11.34 gramsSBA $1.00clad coinage: .750 copper and .250 nickel bonded to an inner coire of pure copper26.5 mm8.1 gramsSacagawea $1.00.885 copper .06 zinc . .035 manganese .02 nickel26.5 mm8.1 gramsUnited States Clad Coinage after 1965 U.S. Silver Coins – When they ended and what they’re worth Nov 26, 2013coindoc
