zippeitehttp://www.oed.com/dictionary/zippeite_n%3Ftab%3Dmeaning_and_usezippeite, n.
Revised 2021

zippeitenoun

Mineralogy.
  1. 1850–
    A uranium-containing mineral, typically occurring as yellow needles and yellow to reddish-brown encrustations.
    Zippeite is a hydrated basic potassium uranyl sulfate, K4(UO2)6(SO4)3(OH)10·4H2O. Crystal system: monoclinic.
    1. 1850
      Zippeite, v. Uranochre.
      J. D. Dana, System of Mineralogy (ed. 3) 711 (index)
    2. 1917
      The optical properties of gilpinite and zippeite are very different.
      American Mineralogist vol. 2 79
    3. 2005
      Johannite (green) and zippeite (orange-yellow) from the Happy Jack mine.
      C. L. Ege, Sel. Mining Districts Utah (Utah Geol. Surv.) 36/2

zippeite, n. was revised in March 2021.

zippeite, n. was last modified in September 2023.