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Biotite from
La Gigoulande Quarry, St Peter, Jersey


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 La Gigoulande Quarry, St Peter, Jersey
Data Identifiers
Mindat Occurrence Record ID:1592049
Long-form Identifier:1:3:1592049:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.1km (2.6 miles) ⓘLe Côtil Point, St John, Jersey
67.6km (42.0 miles) ⓘLa Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France
References
Mourant, A. E. (1978) The Minerals of Jersey (2nd ed.) Société Jersiaise, St. Helier.p.21
 
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