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Biotite from
Dyer's Quarry, Chytane, St Enoder, Cornwall, England, UK


Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Dyer's Quarry, Chytane, St Enoder, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:785899
Long-form Identifier:1:3:785899:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.7km (2.9 miles) ⓘTrelavour Downs, St Dennis, Cornwall, England, UK
8.8km (5.5 miles) ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
13.1km (8.1 miles) ⓘBodelva Pit (Carvear China Clay Works), Bodelva, St Blaise, Cornwall, England, UK
24.0km (14.9 miles) ⓘLushington Cove, Porthtowan, St Agnes, Cornwall, England, UK
25.6km (15.9 miles) ⓘPendennis Head, Falmouth, Cornwall, England, UK
29.1km (18.1 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
29.9km (18.6 miles) ⓘEast Wheal Grenville, Grenville United Mines, Troon, Camborne, Cornwall, England, UK
37.1km (23.1 miles) ⓘCraddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK
37.9km (23.6 miles) ⓘSouth Caradon Mine, Caradon Hill, St Cleer, Cornwall, England, UK
38.0km (23.6 miles) ⓘCheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK
References
Ussher, W.A.E., Barrow, G., and MacAlister, D.A. (1909): The Geology of the Country Around Bodmin and St Austell. HMSO Publications (London), p. 80
 
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