Lucium From Wikipedia, the free encyclopedia Lucium was the proposed name for an alleged new element found by chemist Prosper Barrière in 1896 in the mineral monazite.[1][2] Later, William Crookes confirmed that the new element was actually an impure sample of yttrium.[3] References [1] "Referate". Zeitschrift für anorganische Chemie. 15 (1): 456–476. 1897. doi:10.1002/zaac.18970150164. [2] H, J. L. (1896). "Notes on Inorganic Chemistry". Science. 4 (100): 790–791. Bibcode:1896Sci.....4..790H. doi:10.1126/science.4.100.790-a. PMID 17734842. [3] Brock, W. H. (2008). William Crookes (1832–1919) and the commercialization of science. Ashgate Publishing. p. 322. ISBN 978-0-7546-6322-5. Winkler, C. (1897). "Ueber die Entdeckung neuer Elemente im Verlaufe der letzten fünfundzwanzig Jahre und damit zusammenhängende Fragen". Berichte der deutschen chemischen Gesellschaft. 30: 6–21. doi:10.1002/cber.18970300103. "Patent US567571 - Prosper barriers - Google Patente". google.de. Retrieved 2015-11-09.[dead link] The Mineral Industry. Scientific Publishing Company. 1897. ISSN 0096-509X. Retrieved 2015-11-09. "Amazon.fr - Notice nécrologique. Prosper Barrière, par Paul Duplan - Paul Duplan - Livres". amazon.fr. Retrieved 2015-11-09. This history of chemistry article is a stub. You can help Wikipedia by adding missing information.vte Related Articles