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Biotite from
Monte Verde, Londuimbali, Huambo Province, Angola


Locality type:Mountain
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 Monte Verde, Londuimbali, Huambo Province, Angola
Data Identifiers
Mindat Occurrence Record ID:1421494
Long-form Identifier:1:3:1421494:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.9km (9.3 miles) ⓘElonga nepheline syenite, Huambo Province, Angola
35.9km (22.3 miles) ⓘBalombo occurrence, Balombo, Benguela Province, Angola
80.8km (50.2 miles) ⓘCatanda, Seles, Cuanza Sul Province, Angola
98.6km (61.3 miles) ⓘChianga occurrence, Huambo, Huambo Province, Angola
References
Lapido-Loureiro, F.E. 1973. Carbonatitos de Angola. Memorias e Trabalhos do Instituto de Investigacoes Cientifica de Angola, 11.
Issa Filho, A., Dos Santos, A.B.R.M.D., Riffel, B.F., Lapido-Loureiro, F.E.V., McReath, I. (1991) Aspects of the geology, petrology and chemistry of some Angolan carbonatites. Journal of Geochemical Exploration, 40 (1) 205-226 doi:10.1016/0375-6742(91)90039-w
Alberti, A., Castorina, F., Censi, P., Comin-Chiaramonti, P., Gomes, C.B. (1999) Geochemical characteristics of Cretaceous carbonatites from Angola. Journal of African Earth Sciences, 29 (4) 735-759 doi:10.1016/s0899-5362(99)00127-x
 
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