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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Tourmaline from
Rosemorran Mine (Rosevale Mine; Wheal Chance), Zennor, Cornwall, England, UK


Locality type:Mine
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Rosemorran Mine (Rosevale Mine; Wheal Chance), Zennor, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:940062
Long-form Identifier:1:3:940062:7
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
0.7km (0.4 miles) ⓘCarnelloe Mine, Zennor Consols (Carnelloe Consols), Zennor, Cornwall, England, UK
1.7km (1.1 miles) ⓘZennor Consols (Carnelloe Consols), Zennor, Cornwall, England, UK
4.4km (2.7 miles) ⓘCastle-an-Dinas Quarry, Higher Trenowin, Ludgvan, Cornwall, England, UK
5.0km (3.1 miles) ⓘSt Ives Consols (incl. Wellesley Mine; Wheal Mary), St Ives, Cornwall, England, UK
5.0km (3.1 miles) ⓘHor Bal (Mungren's Hill Mine), St Ives, Cornwall, England, UK
6.1km (3.8 miles) ⓘTrencrom Hill, Trencrom, Ludgvan, Cornwall, England, UK
6.5km (4.0 miles) ⓘWheal Providence, Providence Mines, Carbis Bay, St Ives, Cornwall, England, UK
8.3km (5.2 miles) ⓘBoscaswell Downs Mine, Pendeen, St Just, Cornwall, England, UK
8.6km (5.3 miles) ⓘTrewidden Bal, Trewidden, Madron, Cornwall, England, UK
8.7km (5.4 miles) ⓘWherry Mine, Wherrytown, Penzance, Cornwall, England, UK
References
Dominy, S. C., Camm, G. S., Bussell, M. A., & Bennett, T. S. (1995). The structure and paragenetic evolution of cassiterite mineralized veins at Rosevale mine, Zennor, west Cornwall. PROCEEDINGS-USSHER SOCIETY, 8, 374-374.
 
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