zeilanitehttp://www.oed.com/dictionary/zeilanite_n%3Ftab%3Dmeaning_and_usezeilanite, n.
Revised 2018

zeilanitenoun

Mineralogy. Now rare.
  1. 1815–
    A variety of spinel containing iron, first discovered in Sri Lanka; = ceylonite n.
    Formula: (Mg, Fe)Al2O4.
    1. 1815
      Family of Rubies... Zeylanite.
      C. L. Giesecke, Syllabus Mineral Syst. 6 (table)
    2. 1851
      Aluminate of Ferrous Oxide.—Zeilanite [German Zeilanit].
      H. Watts, translation of L. Gmelin, Hand-book of Chemistry vol. V. 275
    3. 1892
      It is assumed that spinel must contain MgO, that gahnite and franklinite must contain ZnO, that zeilanite must contain Al2O3.
      Journal Analytical & Applied Chemistry vol. 9 584
    4. 1956
      Will the Minister advise..whether he is aware of the delay in electrical construction at mines, mills and industrial projects, due to the shortage of zeilanite.
      Parliamentary Debates (Australian House of Representatives) vol. 10 1475/2

zeilanite, n. was revised in June 2018.

zeilanite, n. was last modified in July 2023.