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Is 0.680 pounds as heavy as a Golf Ball?

It's about six-and-a-half times as heavy as a Golf Ball
The weight of a Golf Ball is about 0.10130 pounds.
(per R&A USGA Rules of Golf; maximum rule weight)
According to the Rules of Golf (as approved by the United States Golf Association and the Rules Committee of the Royal and Ancient Golf Club of Saint Andrews), golf balls must weigh no more than 0.10130 pounds. Golf balls are not required to have the familiar dimpled pattern, but the design has been popular since its invention in 1905 because it reduces drag while increasing lift.
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