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Gilbertite from
Megiliggar Rocks (Tremearne pegmatite), Breage, Cornwall, England, UK


Locality type:Outcrop
Classification
Species:Muscovite var: Gilbertite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorapatite4
Orthoclase4
Quartz1
Data
Mineral Data:Click here to view Gilbertite data
Locality Data:Click here to view Megiliggar Rocks (Tremearne pegmatite), Breage, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:194658
Long-form Identifier:1:3:194658:1
GUID (UUID V4):0
Nearest other occurrences of Gilbertite
2.9km (1.8 miles) ⓘGreat Wheal Fortune, Breage, Cornwall, England, UK
10.4km (6.5 miles) ⓘSouth Wendron Mine (South Wheal Lovell; Lovell Consols), Trewennack, Wendron, Cornwall, England, UK
10.8km (6.7 miles) ⓘFatwork Mine, East Wheal Lovell (incl. Tregonebris Mine), Trewennack, Wendron, Cornwall, England, UK
12.4km (7.7 miles) ⓘBalmynheer Mine, Porkellis, Wendron, Cornwall, England, UK
13.9km (8.6 miles) ⓘSouth Wheal Providence (South Wheal Speed), Carbis Bay, St Ives, Cornwall, England, UK
14.9km (9.3 miles) ⓘHalvosso Quarry (Halvasso Quarry; Kessel Downs Quarry), Mabe, Cornwall, England, UK
18.7km (11.6 miles) ⓘLower Kergilliack Quarry, Budock, Cornwall, England, UK
22.1km (13.7 miles) ⓘBalleswidden Mine, St Just, Cornwall, England, UK
44.2km (27.5 miles) ⓘTrethosa China Clay Pit, Treviscoe, St Stephen-in-Brannel, Cornwall, England, UK
45.5km (28.3 miles) ⓘStenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK
References
Haas, Peter (n.d.) Personal communication.
 
and/or  
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