| | 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, p. 410. | | Data | |
| Mineral Data: | Click here to view Tourmaline data | | Locality Data: | Click here to view Whiteworks Shaft, Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap area, Camborne - Redruth - St Day District, Cornwall, England, UK |
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