|
Argentina | |
- Antofagasta de la Sierra Department
| Raúl Jorge Tauber Larry |
|
| Néstor Hillar (1964) - El yacimiento de cuarzo y wolframita de Piedras Blancas en el Cerro Quico, Dpto. de Graneros (Tucumán). Revista Minera, Tomo XXVII, Nº 1. |
|
Brazil | |
|
| 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) |
|
| 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) |
|
| 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) |
|
| Bráulio França Ferreira . |
|
| Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
|
| Martins da Pedra collection |
|
| |
|
| Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370 |
|
| Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA) |
|
Chile | |
|
| Koivula, J.I., Tannous, M. (2004) Gem News International 2004. Gems & Gemology, Winter 2004, p.353.
Rob Lavinsky. |
|
Peru | |
|
| Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) |
|
| Rocks & Min.: 24:367. |
|
Venezuela | |
|
| (n.d.) Collection, Natural History Museum Vienna. |
Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil