Min. In the obs. sense 1 later corrected to ledererite. [Named after Baron Louis von Lederer: see -ITE.]

1

  † 1.  A synonym of gmelinite. Obs.

2

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.

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  2.  A brown variety of titanite, with splendent luster.

4

1840.  C. U. Shepard, in Amer. Jrnl. Sci., XXXIX. 360. I shall bespeak for them the name of Lederite.

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1892.  Dana, Min., 714. Lederite, brown, opaque, or subtranslucent.

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