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Brazil | |
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| O'Neil, Paul (1983) Planet Earth - Gemstones. Time Life Books, Alexandria, VA.
Gübelin, E., Wolgensinger, M. (1976) Edelstenen. Uitgeverij Artis, Brussel [in Dutch]. |
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| Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
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| Specimens with Milton Sklar (1972) [Rock Currier 2010] |
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| Richard Dale collection and Mindat photo |
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| Araújo, T. G. R. D. (2018). Fingerprint e estudo cristaloquímico do topázio imperial da região de Ouro Preto (Minas Gerais, Brasil). PhD thesis
Ferreira, M., M.A. Fonseca, Pires, F. (2005): Pegmatitos mineralizados em água-marinha e topázio do Ponto do Marambaia, Minas Gerais: tipologia e relações com o Granito Caladão. Revista Brasileira de Geociências, 35, 463-473.
King, Van (n.d.) Personal communcation. |
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| Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370 |
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| Bastos, F.M. (2002) Famous Mineral Localities: The Barra de Salinas Pegmatites, Minas Gerais, Brazil. Mineralogical Record, 33, 209-216.
Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA)
Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
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| Museu Geológico de Lisboa collection |
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| Rob Lavinsky |
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| Luiz Alberto Dias Menezes Filho, Mario Luiz de Sá Carneiro Chaves, Coralie Heinis Dias, Daniel Atencio (2016): Recent mineral discoveries in the Coronel Murta, Taquaral, and Medina pegmatite fields, northeastern Minas Gerais, Brazil. REM - Int. Eng. J. 69, 301-307. [http://www.scielo.br/pdf/remi/v69n3/2448-167X-remi-69-03-0301.pdf] |
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| King, Van (n.d.) Personal communcation. |
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| Sergio Varvello collection |
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| [var. Imperial Topaz] USGS Professional Paper 341B |
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| [var. Imperial Topaz] de Brito Barreto, S. and Bretas Bittar, S.M. (2010) Los depósitos de gemas de Brasil: localización, producción e impacto económico. Boletín de la Sociedad Geológica Mexicana, 62(1), 123-140.
Adusumill, Maria S. (1997) Minerals in Brazilian Jewelry: Inherited and Coveted Art and Culture. Berichte der Geologischen Bundesanstalt. ISSN 1017-8880, Band 41, pp. 15-22.
Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
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| Rock Currier |
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| Hussak and Prior (1900) Mineralogical Magazine: 12: 244. |
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| Betts, John (n.d.) John Betts website listing. |
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| King, Van (n.d.) Personal communcation. |
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| Ricardo Scholz information |
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| Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370. |
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| Bancroft, Peter. 1984. "World's Greatest Crystal Treasures" |
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| (pers. comm., mine owner Mr. Junior Duarte) |
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| Sergio Varvello collection |
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| Ref:, Carlos Barbosa specimen |
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| Collection of NHM, Vienna |
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| Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
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| Proctor, K. (1984). Gem pegmatites of Minas Gerais, Brazil: exploration, occurrence, and aquamarine deposits. Gems and Gemology, 20(2), 78-100.
Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA)
White, J.S. (?) (1980) Interview: Allan Caplan, in November - December 1980. The Mineralogical Record, 11 (6) Tucson. 351-360 |
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| Matioli collection |
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| Sauer, J.R. (1982) Brazil, Paradise of Gemstones. Gemological Institute of America, 135 pp. (pp. 13, 60-63). |
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| Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA)
Rocks & Minerals (xxxx) 63, 49. |
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| Araújo, T. G. R. D. (2018). Fingerprint e estudo cristaloquímico do topázio imperial da região de Ouro Preto (Minas Gerais, Brasil). PhD thesis
Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
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| Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA)
Rocks & Minerals (xxxx) 63 (pp. 45, 389). |
Ouro Preto, Minas Gerais, Brazil