20057 Europium, Man-Made June 26, 2020 Pendleton No location Small pieces of Europium elemental metal in glass ampoule. Element Eu, number 63 on the Periodic Table.
Asia China Deaccessioned Deaccessioned 5098 Barite, Jinkouhe, Sichuan Province, China September 29, 2019
Cornwall England United Kingdom 4902 Parnauite, Mulberry Mine (Mulberry Hill Mine), Mulberry Downs, Lanivet, Bodmin, St Austell District, Cornwall, England, UK October 5, 2019
New Mexico North and Central Americas United States 2913 Pyrite, Barite, Fluorite, Nakaye mine (Alamo mine), Derry District, Sierra County, New Mexico, USA April 18, 2023
