Virginia is one of the nation's most diverse producers of industrial minerals. In 2001, the state ranked 21st nationally in total nonfuel mineral production value. The value of nonfuel mineral production in Virginia in 2001 was about $751 million, a 9.2% increase from 2000. According to preliminary figures, in 2001, the combined output of crushed stone, construction sand and gravel, and lime accounted for 88% of the total value, and crushed stone alone (the state's leading mineral commodity) accounted for more than 60%. Virginia ranked 2nd in the nation in production of crude vermiculite, feldspar, titanium and zirconium; 9th in crushed stone; and 10th in lime. Virginia was also one of the top six states producing fuller's earth.