| Location | Specimens | State | | Country | | | Branndygyll, Cumbria, England, United Kingdom | 1 | | | United Kingdom |  |
| Brownley Hill Mine, Nenthead, Cumbria, United Kingdom | 1 | | | United Kingdom | |
| Diana Maria Mine, Durham, England, United Kingdom | 1 | | | United Kingdom | |
| Dry Hill mine, Caldbeck, England, United Kingdom | 1 | | | United Kingdom | |
| Hidden Forest Pocket, Diana Maria Mine, Durham, England, United Kingdom | 1 | | | United Kingdom | |
| Lady Annabella Mine, Durham, England, United Kingdom | 1 | | | United Kingdom | |
| Mantelli Zone, Cambridge Greensand, Cambridgeshire, England, United Kingdom | 1 | | | United Kingdom | |
