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Opal-AN from South America Plate

Argentina
 
  • Catamarca Province
    • Belén Department
      • Corral Quemado
Padrón de Minas de la Provincia de Catamarca.
  • Chubut Province
    • Languiñeo Department
Padrón de Minas de la Provincia de Chubut (2005).
  • Mendoza Province
    • Malargüe Department
      • Agua Escondida District
        • Altiplano de Payún Matrú
Petrov, Alfredo (n.d.) Personal Communication.
  • Santiago del Estero Province
    • Ojo de Agua department
      • Piedras Blancas
LEAL, P.R.
CORTONA, O. y PAGAN, F.J.. Vetas de cuarzo en el sur de Santiago del Estero. Rev. Asoc. Geol. Argent. [online]. 2005, vol.60, n.2, pp. 389-401
Brazil
 
  • Bahia
[var. Hyalite] Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA)
    • Guajeru
Mineralogical Record (1977) 8:382-387
  • Minas Gerais
    • Galiléia
      • Laranjeiras
Pagano, Renato, Marchesini, Marco (2001) The Val Graveglia Manganese District, Liguria, Italy. The Mineralogical Record, 32 (5) 349-415
      • Sapucaia do Norte
Cassedanne, Jacques P., Baptista, Augusto (1999) Famous Mineral Localities: The Sapucaia Pegmatite, Minas Gerais, Brazil. The Mineralogical Record, 30 (5) 347-366
    • Itinga
Menezes, Luiz Alberto Dias (n.d.) Personal communication.
  • Paraíba
    • Salgadinho
      • São José da Batalha
Carrino, Thais Andressa, Barreto, Sandra de Brito, Oliveira, Paula Jussara Azevedo de, Araújo Neto, José Ferreira de, Correia, Aldine Maria de Lima (2019) Linking gemology and spectral geology: a case study of elbaites from Seridó Pegmatite Province, Northeastern Brazil. Brazilian Journal of Geology, 49 (2) doi:10.1590/2317-4889201920180113
de Brito Barreto, S., & 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.
    • Vieirópolis
      • Vieirópolis pegmatite field
e Souza, B. D. A., Manoel, I., Guimarães, I. D. P., Barreto, S. D. B., Santos, G. L., & Araújo Neto, J. F. D. (2020). Whole-rock and mineral chemistry characterization of contrasting granitoids, constraints on the source of the Vieirópolis NYF-type pegmatites, Northeastern Brazil. Brazilian Journal of Geology, 50.
  • Rio Grande do Norte
    • Parelhas
de Brito Barreto, S., & 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.
[var. Hyalite] de Brito Barreto, S., & 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.
  • Rio Grande do Sul
    • Caxias do Sul
[var. Hyalite] Fernando Brederodes Collection
  • Santa Catarina
Manfred Bergmann (2009) Lapis, 34, #3, 30-34.
  • São Paulo
    • Serrana
Ruiz, M. (2001) Zeólitas em amígdalas do basalto das cidades de Araraquara e Serrana-São Paulo. Ph.D. Thesis, São Paulo State University, Institute of Chemistry, São Paulo, 89 pp. + 63 pp. (appendix).
Chile
 
  • Valparaíso
    • Los Andes Province
Tetra Tech Chile (2019) Preliminary Economic Assessment
Peru
 
  • Ica
    • Ica Province
      • Ica District
Extra Lapis - English No. 10 Opal
 
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