** Shares of Heavy Minerals HVY.AX soar as much as 18% to
a record high of A$0.295, after co upgrades mineral resource
estimate
** HVY says the maiden mineral resource estimate at its Port
Gregory Garnet Project in Western Australia has been increased
urn:newsml:reuters.com:*:nASX1LW632
** Adds that the amount of garnet, a type of silicate
contained in the project site is equivalent to five years of
global demand
** Stock set for biggest intraday percentage jump since Jan.
28
** Trading volumes are nearly 9 times their 30-day average,
with almost 1.6 mln shares traded so far
** Stock up 47.1%% YTD, as of last close
(Reporting by Harshita Swaminathan)
((Harshita.Swaminathan@thomsonreuters.com))