Oct 6 (Reuters) - The Perth Mint's sales of gold products in September rose 4.2% month-on-month, while silver sales jumped to their highest in seven years, the refiner said in a blog post on Thursday.
Monthly sales of gold coins and minted bars increased to 88,554 ounces in September from 84,976 ounces.
Sales of silver products jumped nearly 56% to 2,579,941 ounces - their highest since September 2015.
"Improved output from the factory saw production of Australian Kangaroo 1oz silver coins up around 20% on the previous month, with other silver coins also seeing a significant jump in production," said Neil Vance, general manager for minted products.
Benchmark spot gold XAU= prices fell nearly 3% in September, marking a sixth consecutive monthly decline, pressured by a robust dollar and expectations of aggressive policy tightening from major central banks.
Meanwhile, silver XAG= prices rose 5.7% last month, registering their best month since February.
The Perth Mint, owned by the government of Western Australia, is the world's largest producer of newly mined gold and the biggest refiner by volume in Australasia, its website says.
The intake each year equates to almost 75% of newly mined gold in Australia, one of the world's biggest gold producers.
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