Yttrocerite

Y- and Ce-bearing fluorite (see also yttrofluorite). Note: A great many occurrences of yttrocerite reported in the nineteenth century were false. The so-called "yttrocerite" has repeatedly been shown to be ordinary purple fluorite without enrichment of rare earth elements.

Structural context

Yttrocerite
Crystal System isometric

Chemical context

Stoichiometric formulas

Yttrocerite
mindat.org
  • March 13, 2023(Ca,Y,Ce)F2+x
mineralogy.rocks
  • Aug. 30, 2022(Ca,Y,Ce3+)F2+x

Physical properties

ColorColor entities, recognized using a custom trained NER model
    • reddish
    Color noteOriginal color note from the source
    Blue, reddish
    StreakStreak entities, recognized using a custom trained NER model
      Streak noteOriginal streak note from the source
      White
      Lustre
      Vitreous
      Hardness
      4—5