資料來源 : pyDict

易解石

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Eschynite \Es"chy*nite\, n. [Gr. ? shame.] (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.