guérinite

== English == === Etymology === From Guérin +‎ -ite; named by the Russian mineralogist Yevgenii Ivanovich Nefedov (1910–1976) in 1961 in honour of Henri Guérin (1906–1995), chemist at Paris-Sud University, France, who first synthesized the compound. === Noun === guérinite (mineralogy) A colourless monoclinic mineral containing calcium, astatine, hydrogen and oxygen. ==== References ==== “guérinite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026. David Barthelmy (1997–2026), “Guérinite”, in Webmineral Mineralogy Database.