** Shares of Metallium MTM.AX rise as much as 12.2% to A$0.825, their highest level since August 5; last up 11.9%
** Critical metals explorer on track for best day since early August, if current gains hold
** Says a unit has been awarded a Phase I small business innovation research (SBIR) contract by the U.S. Department of Defense
** Says contract to recover gallium from waste streams, including LED scrap and gallium-rich waste streams
** Says Phase I funding will provide about A$100,000 ($64,980.00), while progressing to Phase II will make co eligible to apply for up to $1 million funding
** Stock has more than tripled in value so far this year
($1 = 1.5389 Australian dollars)
(Reporting by John Biju in Bengaluru)
((John.Biju@thomsonreuters.com;))