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Brazil | |
| [var. Agate] Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
| acd.ufrj.br (2002) http://acd.ufrj.br/geologia/posgrad/area1_d.htm |
| [var. Agate] Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
| |
| Cassedanne, J.P. & Baptista, A. (1999): Famous Mineral Localities: The Sapucaia Pegmatite Minas Gerais, Brazil. Mineralogical Record, 30: 347-360 + 365. |
| [var. Plasma] Soares, G. A. R., Palermo, N., & Pires, F. R. M. (2018). Caracterização geoquímica e mineralógica de uma seção ao longo da laterita niquelífera da Fazenda da Roseta, Liberdade, Minas Gerais. Geologia USP. Série Científica, 18(2), 201-216. |
| [var. Agate] |
| Menezes, Luiz Alberto Dias (n.d.) Personal communication. |
| [var. Agate] Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
| [var. Agate] Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
| [var. Agate] Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
| [var. Agate] Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
| Slezak, P. R., 2012, Geology, mneralogy, and geochenmistry of the Vazante Noorthern Extension zinc silicate deposit, Minas Gerais, Brazil: M.S. thesis, Queen’s University, Kingston, Ontario (pdf available at https://qspace.library.queensu.ca/handle/1974/7027?mode=full). |
Minas Gerais, Brazil