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Brazil | |
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| Rao, A. B., & Sial, A. N. (1972). Observations on alkaline plugs near Fortaleza city, Ceará State, Brazil. In International Geological Congress (Vol. 24, pp. 56-61) |
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| de Hollanda, M. H. B., Neto, J. A. S., Archanjo, C. J., Stein, H., & Maia, A. C. (2017). Age of the granitic magmatism and the W-Mo mineralization in skarns of the Serido belt (NE Brazil) based on zircon U-Pb (SHRIMP) and molybdenite Re-Os dating. Journal of South American Earth Sciences, 79, 1-11.
Souza Neto, J.A., Legrand, J.M., Volfinger, M., Pascal, M.-L., and Sonnet, P. (2008): Mineralium Deposita 43, 185-205. |
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| Zeolite collection of Voker Betz |
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| Zeolite collection of Volker Betz |
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| Sauer, J.R. (1982) Brazil, Paradise of Gemstones. Gemological Institute of America, 135 pp. (pp. 116-117). |
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| Rodrigo Del Olmo Sato Collection |
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| Manfred Bergmann (2009) Lapis, 34, #3, 30-34. |
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| Manfred Bergmann (2009) Lapis, 34, #3, 30-34. |
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| www.museumin.ufrgs.br (2003) http://www.museumin.ufrgs.br/EspAntas.htm |
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| Mason, B. & Greenberg, S. S. (1953) Zeolites and associated minerals from souther Brasil - Arkiv för Mineralogi och Geologi, 1 (18), 519-526 |
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| Manfred Bergmann (2009) Lapis, 34, #3, 30-34.
Manfred Bergmann (2009) Lapis, 34, #3, 30-34. |
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| Manfred Bergmann (2009) Lapis, 34, #3, 30-34. |
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| Manfred Bergmann (2009) Lapis, 34, #3, 30-34. |
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| Manfred Bergmann (2009) Lapis, 34, #3, 30-34. |
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| Cornejo, Carlos, Bartorelli, Andrea (2009) Minerals & Precious Stones of Brazil. Solaris Cultural Publications, São Paulo. |
Brejui mine, Currais Novos, Rio Grande do Norte, Brazil