zirconianhttp://www.oed.com/dictionary/zirconian_adj%3Ftab%3Dmeaning_and_usezirconian, adj.
Revised 2021

zirconianadjective

Chiefly Geology.
  1. 1802–
    Of, relating to, or containing zircon or zirconium (cf. zirconic adj.); (of a mineral) having a (small) proportion of a typical constituent element replaced by zirconium.
    † zirconian syenite noun Obsolete the rock zircon-syenite.
    1. 1802
      The zirconian salts have an austere taste.
      T. Thomson, System of Chemistry vol. III. 101
    2. 1827
      Polymignite, a new mineral found sometimes in the zirconian sienite of Fredrickswärns.
      A. Ure, Dictionary of Chemistry (ed. 3) 667/1
    3. 1972
      The appearance of zirconian SiO2-free minerals in the granitic fraction is rather strange.
      Nature 31 March 197/2
    4. 1999
      The hydrated zirconian and silician complexes undoubtedly play an important role not only for the appearance of the {001} faces but for modification of the zircon habits in general.
      I. Kostov & R. I. Kostov, Crystal Habits of Minerals vi. 244

zirconian, adj. was revised in March 2021.

zirconian, adj. was last modified in July 2023.