| | 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.: 60; Grant, Raymond W. (Feb, 1971), "Pennsylvania Minerals (PM), PM(98), Keystone Newsletter. | | Data | |
| Mineral Data: | Click here to view Corundum data | | Locality Data: | Click here to view Corundum Hill, Unionville, Newlin Township, Chester Co., Pennsylvania, USA |
|