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countable and uncountable, plural beneficiations
The reduction in size of particles of ore (or similar physical processing) before further processing to recover the metal quotations examples
The beryl is cobbed out by hand, since no method for successful beneficiation has been developed and applied.
1968, National Research Council (U.S.). Materials Advisory Board. Committee on Technical Aspects of Critical and Strategic Materials, Trends in Usage of Beryllium and Beryllium Oxide, page 2