** Australian coal miners rise as coal prices gain nearly 5.1%** Miners in Indonesia, the world's largest exporter, halt spot coal exports over a government proposal to cut output** Yancoal Australia YAL.AX gains as much as 7.4% to A$6.21, posting its biggest intraday pct jump since Feb 21, 2025

** Whitehaven Coal WHC.AX rises 2.5%, Coronado Global Resources CRN.AX up 1.3%

** Broader mining-sub index .AXMM up 3.6% as metals rally resumes

(Reporting by Nichiket Sunil in Bengaluru)

((Nichiket.Sunil@thomsonreuters.com))