Min. In the obs. sense 1 later corrected to ledererite. [Named after Baron Louis von Lederer: see -ITE.]
† 1. A synonym of gmelinite. Obs.
1829. C. T. Jackson, in Amer. Jrnl. Sci., XVI. 207. It is the same mineral which has been termed Lederite. Ibid. (1834), XXV. 80. We propose for this mineral, the name of Ledererite, in honor of the Austrian ambassador to the United States.
2. A brown variety of titanite, with splendent luster.
1840. C. U. Shepard, in Amer. Jrnl. Sci., XXXIX. 360. I shall bespeak for them the name of Lederite.
1892. Dana, Min., 714. Lederite, brown, opaque, or subtranslucent.