** Shares of Australia's Viridis Mining VMM.AX fall as much as 13.1% to A$1.86, their lowest level since March 9
** Stock hits its biggest intraday pct drop in a week
** The diversified miner raises A$25 million ($17.77 million) through placement
** Offer price of A$1.9 per share represents an 11.2% discount, as of co's last close
** Says placement funds used to finalise off-take and financing discussions, among others
** Stock up 54.7%, YTD
($1 = 1.4069 Australian dollars)
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))