Cerium abrasive material manufactured by the method for production of raw material and a raw materia

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PROBLEM TO BE SOLVED : To provide a method for manufacturing a raw material for abrasives that can be sintered at a relatively low baking temperature, and does not cause abnormal grain growth when used for manufacturing cerium-containing abrasives. SOLUTION : This is a manufacturing method to produce a raw material for cerium-containing abrasives comprising, as a main component, a mixture of a cerium-containing rare earth carbonate and a cerium-containing rare earth oxide, wherein part of the carbonate is converted into the oxide by calcining at 400-800 deg.C. The baking time is preferably 0.1-48 hours.