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Argentina | |
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| Fernando Sardi, Adriana Heimann, Pablo Grosse (2016) Non-pegmatitic beryl related to Carboniferous granitic magmatism, Velasco Range, Pampean Province, NW Argentina. AndGeo vol.43 no.1 Santiago ene. 2016 |
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Brazil | |
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| Foord, E. E., Gaines, R. V., Crock, J. G., Simmons, W. B., Barbosa, C. P. Jr. (1986) Minasgeraisite, a new member of the gadolinite group from Minas Gerais, Brazil. American Mineralogist, 71 (3-4) 603-607 |
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| Sauer, J.R. (1982) Brazil, Paradise of Gemstones. Gemological Institute of America, 135 pp. (pp. 124-125). |
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| Betts, John (n.d.) John Betts website listing. |
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| e Souza, M. B. D. A., França, R. H. M., & de Lira, L. C. M. (2016, July). Vieirópolis Pegmatite Field, Northwest of Paraíba State, Brazil: New Occurrences of Amazonite Pegmatites. In Second Eugene E. Foord Pegmatite Symposium (p. 24). |
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| e Souza, B. D. A., Manoel, I., Guimarães, I. D. P., Barreto, S. D. B., Santos, G. L., & Araújo Neto, J. F. D. (2020). Whole-rock and mineral chemistry characterization of contrasting granitoids, constraints on the source of the Vieirópolis NYF-type pegmatites, Northeastern Brazil. Brazilian Journal of Geology, 50.
e Souza, M. B. D. A., França, R. H. M., & de Lira, L. C. M. (2016, July). Vieirópolis Pegmatite Field, Northwest of Paraíba State, Brazil: New Occurrences of Amazonite Pegmatites. In Second Eugene E. Foord Pegmatite Symposium (p. 24). |
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| e Souza, M. B. D. A., França, R. H. M., & de Lira, L. C. M. (2016, July). Vieirópolis Pegmatite Field, Northwest of Paraíba State, Brazil: New Occurrences of Amazonite Pegmatites. In Second Eugene E. Foord Pegmatite Symposium (p. 24). |
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| minerals.gps.caltech.edu (2003) http://minerals.gps.caltech.edu/Brazil/icapui_to_mines/Mines/index.htm |
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Peru | |
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| Hyrśl, Jaroslav (2012) Gemstones of Peru. Granit. |
Santa Maria de Itabira mine, Santa Maria de Itabira, Minas Gerais, Brazil