Scheelite
native calcium tungof the German Empire in 1871. federation in 1866, and became a part SCHEELITE, native calcium tunglooking mineral. Owing to its unusual heaviness it was given the name tungsten by the Swedes, meaning "heavy stone." The name was later used to describe the metal when it was discovered in 1781 by K. W. Scheele, while the ore itself was given the name scheelerz or scheelite. can prima donna, born in Vienna, Aus- SCHEFF, FRITZI, an Austro-Amerifirst time at the Munich Opera House, tria, in 1882. She received her musical can prima donna, born in Vienna, Auseducation at Frankfort, Germany, and appeared on the operatic stage for the House, New York, remaining in 1900. In 1902 she made her pearance at the Metropolitan Opera her first apng a member of Maurice Grau, from 1900 to 1903. In of its company under the management House, New York, remaining a member the latter year she appeared in New York for the first time in a musical comof its company under the management edy, to which work she devoted herself York for the first time in a musical compeared principally in vaudeville, returning in the latter year to the musical peared principally in vaudeville, returnuntil 1913. From 1913 to 1918 she ap- Bardeleben of the German army, second to John Fox, Jr. (q. v.), and third to opera stage in "Glorianna." She was George Anderson, an actor. married three times; first to Baron von sh Karlsruhe, Germany, Feb. 16, 1826. In