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Biotite from
Trencrom Hill, Trencrom, Ludgvan, Cornwall, England, UK

Species:'Biotite' (not an IMA approved species)
Validity:Believed Valid
References:Wilson, A. C. (1975). An Occurrence of Sapphire in the Land's End Granite, Cornwall. HM Stationery Office.
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Trencrom Hill, Trencrom, Ludgvan, Cornwall, England, UK
Nearest other occurrences of Biotite
15.5km (9.6 miles) South Crofty Tin Project (South Crofty Mine; South Wheal Crofty), Pool, Carn Brea, Cornwall, England, UK
15.5km (9.6 miles) Carn Bosavern, St Just, Cornwall, England, UK
31.3km (19.4 miles) Pendennis Head, Falmouth, Cornwall, England, UK
44.3km (27.5 miles) Dyer's Quarry, Chytane, St Enoder, Cornwall, England, UK
49.0km (30.5 miles) Trelavour Downs, St Dennis, Cornwall, England, UK
52.9km (32.8 miles) Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
56.1km (34.9 miles) Bodelva Pit (Carvear China Clay Works), Bodelva, St Blaise, Cornwall, England, UK
81.4km (50.6 miles) Craddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK
82.2km (51.1 miles) South Caradon Mine, Caradon Hill, St Cleer, Cornwall, England, UK
82.2km (51.1 miles) Cheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK
Mineral and/or Locality  
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