** Shares of VRX Silica rise as much as 39.53% to A$0.60, posting their biggest intraday pct gain since late September 2024
** Silica sand supplier says the Environmental Protection Authority of Western Australia has approved its Arrowsmith north silica sand project in a report
** Report recommends Arrowsmith North development proposal be implemented subject to conditions - co
** About 3.8 mln shares change hands, 6.8 times the 30-day average volume of 555,794
** Stock fell 58.9% in 2024
(Reporting by Manasi Dasa Sundeep in Bengaluru)
((Manasi.DasaSundeep@ThomsonReuters.com))