The value of nonfuel mineral production in Rhode Island in 2001 was estimated to be $28.3 million, an 8.1% decrease from 2000. According to preliminary figures, crushed stone (3.3 million metric tons, worth $19.3 million) and construction sand and gravel (1.12 million metric tons, worth $9 million) accounted for, respectively, about 68% and 31% of the state's production. Small amounts of industrial sand and gemstones were also mined.