The US Dollar Index edged higher amid scepticism US president-elect Joe Biden would be able to find enough support for his US$1.9 billion spending proposal, Marex Spectron's Anna Stablum noted on Friday.
The gold price fell to last trade at $1,818 an ounce on the spot market, having been around the $1,850/oz mark on Thursday.
Mining majors fell on Friday.
Copper major Freeport-McMoRan closed down 5.1% in New York.
In London, Anglo American fell 5.3%, Antofagasta lost 3.7% and Rio Tinto closed down 3%.
Barrick Gold lost 1.5% in Toronto.
Also in Toronto, Osisko Mining (TSX: OSK) closed down 6.3% to C$3.25 after announcing a $60 million bought-deal placement priced at $5.35 per flow-through share.
The company is drilling to advance its Windfall gold project in Quebec, where it's finding high-grade gold intercepts.
