| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Reed, Juliet C., Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Min. Soc. of PA, Inc. (1976): 70; Lapham, Davis M. and Geyer, Alan R. (1965), Mineral Collecting in PA, also (1969) edition. | | Data | |
| Mineral Data: | Click here to view Schorl data | | Locality Data: | Click here to view Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester Co., Pennsylvania, USA |
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