California ranks eighth in non-fuel mineral production
California produced more than two dozen different non-fuel mineral commodities and was the only U.S. producer of boron compounds and rare earth minerals. It ranked second behind Texas in the production of construction sand and gravel and Portland cement. The state ranked sixth among the 10 states that reported gold production for the year.
Read more at: http://www.centralvalleybusinesstimes.com/stories/001/?ID=28384