| | Description | |
| Comments: | At a depth of 4,500 feet in a boring. | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 460. | | Data | |
| Mineral Data: | Click here to view Polyhalite data | | Locality Data: | Click here to view Eskdale No. 2 borehole (Aislaby), Eskdale, North Yorkshire, England, UK |
|