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Tourmaline from
Caer Bran Mine (Carn Bran Mine), Sancreed, Cornwall, England, UK


Locality type:Mine
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Cassiterite1
Quartz1
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Caer Bran Mine (Carn Bran Mine), Sancreed, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:669722
Long-form Identifier:1:3:669722:8
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
1.1km (0.7 miles) ⓘBartinney Mine (West Wheal Virgin), Bartinney Downs, St Just, Cornwall, England, UK
2.1km (1.3 miles) ⓘLeswidden China Clay Works, St Just, Cornwall, England, UK
3.6km (2.3 miles) ⓘAvarack & Nancothan Mine (aka Drift Moor Consols), Paul, Cornwall, England, UK
3.7km (2.3 miles) ⓘTrewidden Bal, Trewidden, Madron, Cornwall, England, UK
3.8km (2.4 miles) ⓘKelynack Mine, Cot Valley, St Just, Cornwall, England, UK
4.1km (2.6 miles) ⓘWheal Ellen, Carallack, St Just, Cornwall, England, UK
4.6km (2.8 miles) ⓘGoldings Mine, Boscean Mine, Kenidjack Valley, St Just, Cornwall, England, UK
4.6km (2.9 miles) ⓘBoscregan Mine (St Just Consols; South Levant Mine), Nanquidno, St Just, Cornwall, England, UK
4.9km (3.1 miles) ⓘWheal Drea, Botallack, St Just, Cornwall, England, UK
5.6km (3.5 miles) ⓘBoscaswell Downs Mine, Pendeen, St Just, Cornwall, England, UK
References
Ex C Smith Geevor geologist collection.
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.103-104
 
and/or  
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