** Shares of Rainbow Rare Earths Ltd RBWR.L rise as much
as 7.3% to 13.95p
** The miner of rare earth minerals enters into Memorandum
of Understanding (MoU) with concentrated phosphate and potash
producer The Mosaic Co
** MoU to conduct a preliminary economic assessment on
extraction of rare earth elements from Mosaic's phosphogypsum
stack in the Uberaba area of Minas Gerais in Brazil
** Co says will look to jointly develop a process flowsheet
to extract rare earth elements from Uberaba stack
** Stock currently up 4.3%, taking YTD gains to 39%
(Reporting by Aby Jose Koilparambil in Bengaluru)
((abyjose.koilparambil@thomsonreuters.com))