Eschynite(redirected from Aeschynite-(Ce))
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|n.||1.||(Min.) A rare mineral, containing chiefly niobium, titanium, thorium, and cerium. It was so called by Berzelius on account of the inability of chemical science, at the time of its discovery, to separate some of its constituents.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.