A rare earth element (REE) or rare earth metal (REM), as defined by IUPAC, is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides, as well as scandium and yttrium.are earth elements became known to the world with the discovery of the black mineral Ytterbite (renamed to Gadolinite in 1800) by Lieutenant Carl Axel Arrhenius in 1787, at a quarry in the village of Ytterby, Sweden.
Boaz is a city in Etowah and Marshall Counties in the State of Alabama. It is part of the ' Gadsden, Alabama Metropolitan Statistical Area '. As of the 2010 census, the population of the city is 9,551.
North Courtland, Alabama. North Courtland is a town in Lawrence County, Alabama, United States, and is included in the Decatur Metropolitan Area, as well as the Huntsville-Decatur Combined Statistical Area. It incorporated in 1981. At the 2010 census, the population of the town was 632, down from 799 in 2000.