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Helvine from
Madeira pluton, Pitinga mine, Presidente Figueiredo, Amazonas, Brazil


Locality type:Pluton
Classification
Species:Helvine
Formula:Be3Mn42+(SiO4)3S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Helvine data
Locality Data:Click here to view Madeira pluton, Pitinga mine, Presidente Figueiredo, Amazonas, Brazil
Data Identifiers
Mindat Occurrence Record ID:668297
Long-form Identifier:1:3:668297:2
GUID (UUID V4):0
References
Bastos Neto, A. C., Pereira, V. P., Ronchi, L. H., de Lima, E. F., Frantz, J. C. (2009) THE WORLD-CLASS Sn, Nb, Ta, F (Y, REE, Li) DEPOSIT AND THE MASSIVE CRYOLITE ASSOCIATED WITH THE ALBITE-ENRICHED FACIES OF THE MADEIRA A-TYPE GRANITE, PITINGA MINING DISTRICT, AMAZONAS STATE, BRAZIL. The Canadian Mineralogist, 47 (6) 1329-1357 doi:10.3749/canmin.47.6.1329
Hadlich, Ingrid W.; Neto, Artur C. Bastos; Pereira, Vitor P.; Dill, Harald G.; Botelho, Nilson F. (2025) The Diversity of Rare-Metal Pegmatites Associated with Albite-Enriched Granite in the World-Class Madeira Sn-Nb-Ta-Cryolite Deposit, Amazonas, Brazil: A Complex Magmatic-Hydrothermal Transition. Minerals, 15 (6). doi:10.3390/min15060559
 
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