Silver lost 23 cents and closed at $26.81 per troy ounce.
The dollar index fell 0.09 percent to 82.24 on the Intentional Exchange, helping boost commodities traded in U.S. dollars.
The euro rose to $1.2566 from Thursday's $1.2541. Against the yen, the dollar rose to 80.46 yen from Thursday's 80.29 yen.
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