Schorl from selected localities.
USA | |
| Reed, Juliet C., Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Min. Soc. of PA, Inc. (1976): 70-71; Lapham, Davis M. and Geyer, Alan R. (1965), Mineral Collecting in PA, also (1969) edition. |
| Dana 6:1068; Reed, Juliet C., Annotated Bibliography of Minerals New to the Pa List - 1965-1974, Min. Soc. of PA, Inc. (1976): 70-71; Montgomery, A. (1969), "Revised List of PA Mins," Mineralogy of PA, 1922-1965: 4. |
| Reed, Juliet C., Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Min. Soc. of PA, Inc. (1976): 70-71; Grant, Raymond W. (Jun, 1974), PA Minerals (PM), PM(138), Keystone Newsletter. |