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Gilbertite from
Stenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK


Locality type:Mine
Classification
Species:Muscovite var: Gilbertite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Apatite1
Fluorite1
Data
Mineral Data:Click here to view Gilbertite data
Locality Data:Click here to view Stenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:785891
Long-form Identifier:1:3:785891:8
GUID (UUID V4):0
Nearest other occurrences of Gilbertite
1.8km (1.1 miles) ⓘTrethosa China Clay Pit, Treviscoe, St Stephen-in-Brannel, Cornwall, England, UK
4.6km (2.8 miles) ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
5.8km (3.6 miles) ⓘWest Carclaze Pit, Carludon, Treverbyn, Cornwall, England, UK
7.6km (4.7 miles) ⓘCriggan Mine (Criggan Consols), Criggan, Roche, Cornwall, England, UK
10.3km (6.4 miles) ⓘColcerrow Quarry, Lanlivery, Cornwall, England, UK
28.4km (17.6 miles) ⓘLower Kergilliack Quarry, Budock, Cornwall, England, UK
31.0km (19.3 miles) ⓘHalvosso Quarry (Halvasso Quarry; Kessel Downs Quarry), Mabe, Cornwall, England, UK
33.1km (20.6 miles) ⓘBalmynheer Mine, Porkellis, Wendron, Cornwall, England, UK
34.1km (21.2 miles) ⓘCheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK
35.0km (21.7 miles) ⓘFatwork Mine, East Wheal Lovell (incl. Tregonebris Mine), Trewennack, Wendron, Cornwall, England, UK
References
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Rudler, F. W. (1905) A Handbook to a Collection of the Minerals of the British Isles - Mostly selected from the Ludlam Collection, in the Museum of Practical Geology. 253pp.
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. 110
 
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