** Shares of Australia's Lynas Rare Earths LYC.AX fall as much as 4.3% to A$19.51, their lowest level since April 2
** Co expects prices to increase for certain materials, impacted by geopolitics and global fuel markets
** Says difficult to predict magnitude and duration of these price increases
** Says closely monitoring its supply chains, including fuel supply and other raw materials
** Posts more than twofold jump in quarterly sales rev
(Reporting by Sneha Kumar in Bengaluru)
((Sneha.kumar@thomsonreuters.com;))