| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, pp. 420-426. | | Data | |
| Mineral Data: | Click here to view Cassiterite data | | Locality Data: | Click here to view Wheal Clifford, United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK |
|