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Biotite from
Masa Valverde Mine (Valverde Mine), Beas, Huelva, Andalusia, Spain


Locality type:Mine
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 Masa Valverde Mine (Valverde Mine), Beas, Huelva, Andalusia, Spain
Data Identifiers
Mindat Occurrence Record ID:1233644
Long-form Identifier:1:3:1233644:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
66.3km (41.2 miles) ⓘAparis Mine, Barrancos, Barrancos, Beja, Portugal
76.0km (47.2 miles) ⓘAguablanca Mine, Monesterio, Badajoz, Extremadura, Spain
92.5km (57.5 miles) ⓘBarrigão Mine, Santa Cruz, Almodôvar, Beja, Portugal
99.8km (62.0 miles) ⓘCerro do Algaré Mine, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal
99.8km (62.0 miles) ⓘBrancanes Mine, Brancanes, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal
References
Macías, M. T., de Almodóvar Sel, G. R., & Mesa, J. M. (1994). Datos de DRX de la aureola de alteración hidrotermal asociada a" Masa Valverde". Boletín de la Sociedad Española de Mineralogía, 17(1), 159-160.
 
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