Rare-earth elements in the periodic table The rare-earth elements (REE), also called the rare-earth metals or rare earths or, in context, rare-earth oxides...
157 KB (16,855 words) - 14:52, 19 August 2024
A rare-earth mineral contains one or more rare-earth elements as major metal constituents. Rare-earth minerals are usually found in association with alkaline...
19 KB (1,807 words) - 14:38, 8 July 2024
Actinide (redirect from Radioactive rare earth element)
thorium hydroxide (Th(OH)4) contaminated with ~3% of rare-earth hydroxides; the rest of rare-earth hydroxides remains in solution. Thorium hydroxide is...
130 KB (11,602 words) - 15:30, 15 August 2024
A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements. Developed in the 1970s and 1980s, rare-earth magnets are the...
35 KB (3,667 words) - 13:56, 28 June 2024
Regolith-hosted rare earth element deposits (also known as ion-adsorption deposits) are rare-earth element (REE) ores in decomposed rocks that are formed...
33 KB (3,719 words) - 19:35, 6 February 2024
relative proportion within the mineral: lanthanum is the most common rare-earth element in monazite-(La), and so forth. Silica (SiO2) is present in trace...
19 KB (1,970 words) - 20:10, 12 May 2024
Yttrium (redirect from Element 39)
been classified as a "rare-earth element". Yttrium is almost always found in combination with lanthanide elements in rare-earth minerals and is never...
58 KB (6,666 words) - 08:13, 6 August 2024
Praseodymium (redirect from Element 59)
chemical element; it has symbol Pr and the atomic number 59. It is the third member of the lanthanide series and is considered one of the rare-earth metals...
37 KB (4,830 words) - 15:00, 19 August 2024
Erbium (redirect from Element 68)
a lanthanide, a rare-earth element, originally found in the gadolinite mine in Ytterby, Sweden, which is the source of the element's name. Erbium's principal...
29 KB (3,545 words) - 08:04, 13 August 2024
Dysprosium (redirect from Element 66)
Dysprosium is a chemical element; it has symbol Dy and atomic number 66. It is a rare-earth element in the lanthanide series with a metallic silver luster...
37 KB (4,319 words) - 09:46, 13 August 2024