Eschynite

Es´chy`nite

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.

eschynite

[′es·kə‚nīt] (mineralogy) (Ce,Ca,Fe,Th)(Ti,Cb)₂O₆ A black mineral, occurring in prismatic crystals; a rare oxide of cesium, titanium, and other metals, which is isomorphous with priorite.

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