Australian shares opened lower on Friday, pressured by miners and rising energy prices.The S&P/ASX 200 Index fell 0.3% to 8816.40, with materials and financials sectors leading the decline.Gold miners like Newmont and Genesis Minerals dropped over 5%, while BHP and Rio Tinto fell 2.6-2.8%.The drop was fueled by Middle East tensions rekindling fears of US rate hikes and weaker gold prices.Meanwhile, Coles surged 3.9% after exiting its Greencross partnership, which had caused shares to fall nearly 9% since the July 1 announcement.Oil stocks gained as Brent crude rose past $85 a barrel, intensifying inflation concerns.Other notable moves included Regis Resources falling 8.9% due to accounting errors and Zip dropping 1.3% after announcing its exit from New Zealand.The market also saw mixed performance in mining and energy sectors, with Woodside Energy up 2.8% amid higher oil prices.