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.
Alabama (/ËÃ¦lÉËbÃ¦mÉ/) is a state in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama is the 30th-most extensive and the 24th-most populous of the U.S. states. At nearly 1,500 miles (2,400 km), Alabama has one of the nation's longest navigable inland waterways.