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| Description | |
|---|---|
| Quality of samples: | not specified / average specimens |
| Confirmation | |
| Validity: | Believed Valid |
| References | |
| References: | Mineralogy of Pennsylvania - 1922; Samual S. Gordon, pg. 173 |
| Data | |
| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Corundum Hill, Unionville, Newlin Township, Chester Co., Pennsylvania, USA |