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Argentina | |
| Zappettini, E. O. (1999). Zafiros aluvionales de la Puna, Jujuy. Recursos minerales de la República Argentina. Instituto de Geología y Recursos Minerales. SEGEMAR, Anales 35: 1847-1849, Buenos Airs, Argentina. |
| Ian Graham, Stephen Harris, Laure Martin, Angela Lay, William Powell, Elena Belousova, Eduardo Zappettini (2018) Unusual alluvial sapphires from Orosmayo, Argentina: a multi-analytical approach to decipher their |
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Brazil | |
| Sauer, J.R. (1982) Brazil, Paradise of Gemstones. Gemological Institute of America, 135 pp. (p. 124). |
| Rafael Hernandes Corrêa-Silva. |
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Chile | |
| Miranda-Díaz, G., Riveros-Jensen, K., Heide, G., Menzies, A., Griem, W., Araya-Tabilo, E., ... & Medina, E. (2022). Geology and mineralogy of sapphire-rich metasomatites (sapphirites) deposit at the Portezuelo de Pajas Blancas, northern Chile: Genetic implications for unusual metasomatic processes in the Central Andes. Ore Geology Reviews, 141, 104646. |
Sobral, Ceará, Brazil