Louderback, G. D., Blasdale, W. C., 1907. Benitoite, a new California gem mineral — University of California Publications. Bulletin of the Department of Geology 5: 149—153 [view in ‘Library’
Dallas gem mine, Diablo Range, San Benito Co., California, USA.
after its type locality in San Benito County, California, USA.
USA: California, San Benito Co. (