Feldspar Feldspar Feldspars (KAlSiO – NaAlSiO – CaAlSiO) are a group of rock-forming tectosilicate minerals that make up about 41% of the Earth's continental crust by weight. Feldspars crystallize from magma as veins in both intrusive and extrusive igneous rocks and are also present in many types of metamorphic rock. Rock formed almost entirely of calcic plagioclase feldspar (see below) is known as anorthosite. Feldspars are also found in many types of sedimentary rocks. The name "feldspar" derives from the German "Feldspat", a compound of the words "Feld", "field", and "Spat", "a rock that does not contain ore". The change from
What Hurts the Most What Hurts the Most "What Hurts the Most" is a song written by American songwriter Jeffrey Steele and English songwriter Steve Robson. Initially recorded by country music artist Mark Wills in 2003 on his album "And the Crowd Goes Wild", it was covered by Bellefire a year later. The first version to be released as a single was by pop singer Jo O'Meara in 2005, from the album "Relentless". Later that year, country band Rascal Flatts covered the song as well, releasing it as the first single from the 2006 album "Me and My Gang", topping the U.S country and