What family of tectosilicate minerals, named from the German for 'field', is the most abundant in the Earth's crust?
Veldspar Feldspathic Feldspath Felspathic Feldspars Feltsparr Feldspar Felspar
felspar feltsparr feldspars feldspar felspathic veldspar feldspath feldspathic
feldspars
WikipediaEntity
Feldspars