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Cuprian Elbaite

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About Cuprian ElbaiteHide

Formula:
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
A variety of Elbaite

A Cu-bearing variety of elbaite.
This material, when used as a gemstone, has been assigned a new formal commercial trade name by the Laboratory Manual Harmonization Committee (LMHC), a group of 7 gemmological laboratories worldwide - Paraíba Tourmaline, regardless of locality of occurrence.

Visit gemdat.org for gemological information about Cuprian Elbaite.


Chemical Properties of Cuprian ElbaiteHide

Formula:
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)

Synonyms of Cuprian ElbaiteHide

Varieties of Cuprian ElbaiteHide

Paraíba TourmalineAn electrifying blue-to-green coloured, gemmy, variety of cuprian elbaite.

In mineralogical terms, Paraiba Tourmaline should refer only to tourmaline from the original source, Paraíba, Brazil.

However, the name has an extended use through the gem t...

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz3 photos of Cuprian Elbaite associated with Quartz on mindat.org.
Milky Quartz2 photos of Cuprian Elbaite associated with Milky Quartz on mindat.org.
Lepidolite1 photo of Cuprian Elbaite associated with Lepidolite on mindat.org.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Cuprian ElbaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Henn, U., Bank, H. & Bank, F.H. (1990): Transparent bright blue Cu-bearing tourmalines from Paraiba, Brazil. Mineral. Mag. 54, 553-557.
MacDonald, D. J. and Hawthorne, F. C. (1995): Cu-bearing tourmaline from Paraiba, Brazil. Acta Crystallographica, C51, 555-557.
Colored Stone (2006): Selling News: "Labs to Use Paraíba": 19(4): 22.
Beurlen, H., de Moura, O. J., Soares, D. R., Da Silva, M. R., & Rhede, D. (2011): Geochemical and geological controls on the genesis of gem-quality “Paraíba Tourmaline” in granitic pegmatites from northeastern Brazil. The Canadian Mineralogist, 49(1), 277-300.
Ludwig, T.; Marschall, H.R.; von Strandmann, P. A. E. Pogge; Shabaga, B.M.; Fayek, M.; Hawthorne, F.C. (2011): A secondary ion mass spectrometry (SIMS) re-evaluation of B and Li isotopic compositions of Cu-bearing elbaite from three global localities. Mineralogical Magazine, 75, 2485-2494.
Sugiyama, K., Arima, H., Konno, H., Mikouchi, T. (2017): XAFS study on the location of Cu and Mn in a greenish blue elbaite from Alto dos Quntos [sic] mine, Brazil. Journal of Mineralogical and Petrological Sciences 112, 139-146.

Internet Links for Cuprian ElbaiteHide

Localities for Cuprian ElbaiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Paraíba
    • Borborema mineral province
      • Salgadinho
        • São José da Batalha
Wilson, W. E. (2002): Cuprian elbaite from the Batalha Mine, Paraíba, Brazil. Mineralogical Record, 33: 127-137; 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 Norte
    • Borborema mineral province
      • 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.
James E. Shigley, Brian C. Cook, Brendan M. Laurs, and Marcelo de Oliveira Bernardes (2001) - An update of "Paraiba" tourmaline from Brazil. GEMS & GEMOLOGY, Vol. 37, No. 4, pp. 260–276
Beurlen, H.; Müller, A.; Silva, D.; Da Silva, M.R.R. (2011): Petrogenetic significance of LA-ICP-MS trace-element data on quartz from the Borborema Pegmatite Province, northeast Brazil. Mineralogical Magazine 75, 2703-2719. ; 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.
        • Turmalina de Cima farm
Beurlen, H.; Müller, A.; Silva, D.; Da Silva, M.R.R. (2011): Petrogenetic significance of LA-ICP-MS trace-element data on quartz from the Borborema Pegmatite Province, northeast Brazil. Mineralogical Magazine 75, 2703-2719.
Mozambique
 
  • Nampula Province
http://www.gia.edu/loupeonline/29962/30252/2724/current_issue_detail.cfm ; Ludwig, T., Marschall, H. R., von Strandmann, P. P., Shabaga, B. M., Fayek, M., & Hawthorne, F. C. (2011). A secondary ion mass spectrometry (SIMS) re-evaluation of B and Li isotopic compositions of Cu-bearing elbaite from three global localities. Mineralogical Magazine, 75(4), 2485-2494.
Nigeria
 
  • Oyo
    • Ilorin
Ludwig, T., Marschall, H. R., von Strandmann, P. P., Shabaga, B. M., Fayek, M., & Hawthorne, F. C. (2011). A secondary ion mass spectrometry (SIMS) re-evaluation of B and Li isotopic compositions of Cu-bearing elbaite from three global localities. Mineralogical Magazine, 75(4), 2485-2494.
Mineral and/or Locality  
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