| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.:16-17; Lapham, Davis M. & Geyer, Alan R. (1965),Mineral Collecting in PA: 55 & (1969): 56; Montgomery, A. (May, 1966), PA M | | Data | |
| Mineral Data: | Click here to view Ancylite-(Ce) data | | Locality Data: | Click here to view Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester Co., Pennsylvania, USA |
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