Certain rare earth prices continue to spiral this week, with cerium oxide prices up to as high as $10.50/kg FOB China up from $6.7-7.1/kg last week, representing a jump of over 30%.Meanwhile, lanthanum oxide prices for 99% material are also climbing fast, reaching $12/kg this week up from $7.1-8.1/kg last week. All of these increases are on the back of the radically reduced amount of Chinese rare...