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.
Marshall County is a county of the U.S. state of Alabama. As of the 2010 census the population was 93,019. Its county seat is Guntersville. A second courthouse is in Albertville. Its name is in honor of John Marshall, famous Chief Justice of the United States. Marshall County is a dry county, with the exception of the four cities of Albertville, Arab, Guntersville, and Boaz. Marshall County comprises the Albertville, AL Micropolitan Statistical Area, which is also included in the Huntsville-Decatur-Albertville, AL Combined Statistical Area.