The total value of nonfuel mineral production in Utah was approximately $1.53 billion in 2001, a decrease of about 5.6% from the previous year, accounted for partly by significant declines in the value of copper and magnesium compounds. The state was ranked in 9th place nationally in the output of nonfuel minerals. Approximately 60% of the value of production in the state was attributed to the metals sector, which included copper, gold, iron, magnesium, molybdenum, and silver. In addition, Utah mines produced significant quantities of beryllium, cement, magnesium compounds, sand and gravel, and salt. In 2001, Utah was 2nd in the nation in the output of magnesium metal and compounds, and potash; 3rd in molybdenum concentrates; 4th in crude perlite and phosphate rock; 5th in silver, gemstones, and bentonite; and 6th in salt. It was also the only US source of mined beryllium during the year. The largest operating beryllium mine in the world is in Juab County, located at Spor Mountain. Utah was also a significant producer of portland cement, construction sand and gravel (27.8 million metric tons, valued at $99.5 million), and lime.