| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Reed, Juliet C. (1976), Annotated Biblio. of Mins. New to the PA List 1965-1974, The Mineralogical Soc. of PA, Inc.: 59-60; Silliman, Benjamin, Jr. (1849), "Descriptions and Analyses of Several American Mins," Am. Jour. Sci., Vol. 8:381. | | Data | |
| Mineral Data: | Click here to view Paragonite data | | Locality Data: | Click here to view Corundum Hill, Unionville, Newlin Township, Chester Co., Pennsylvania, USA |
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