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Brazil | |
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| Wilson, W. E. (2002): Cuprian elbaite from the Batalha Mine, Paraíba, Brazil. Mineralogical Record, 33: 127-137 |
- Borborema mineral province
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| 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. Mineral. Mag. 75, 2703-2719. |
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| 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. Mineral. Mag. 75, 2703-2719. |
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Mozambique | |
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| http://www.gia.edu/loupeonline/29962/30252/2724/current_issue_detail.cfm |
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Nigeria | |
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