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Biotite from
Ambohitranefitra, Beforona Commune, Moramanga District, Alaotra-Mangoro, Madagascar


Locality type:Alluvial Deposit
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 Ambohitranefitra, Beforona Commune, Moramanga District, Alaotra-Mangoro, Madagascar
Data Identifiers
Mindat Occurrence Record ID:548884
Long-form Identifier:1:3:548884:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
29.4km (18.2 miles) ⓘTakarindoha Volcanic Field, Ambalavolo, Vatomandry District, Atsinanana, Madagascar
References
Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3
 
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