Coal export prices at South Africa’s Richards Bay, the continent’s biggest terminal for shipping the fuel, fell the most in six weeks.

Coal for immediate delivery decreased $1.98, or 2.2 percent, to $88.27 a metric ton in the week ended Aug. 24, according to IHS McCloskey data on Bloomberg. That’s the steepest decline since the week ended July 13. The price is quoted on a free-on-board basis, which excludes delivery costs.

To contact the reporter on this story: Marek Strzelecki in Warsaw at mstrzelecki1@bloomberg.net

To contact the editor responsible for this story: Lars Paulsson in London at lpaulsson@bloomberg.net