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Nigeria | |
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| [var. Aquamarine] Reiner Mielke |
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| doi.org (n.d.) https://doi.org/10.1016/j.radmeas.2006.04.018
Ige et al, 2006
TL response of muscovite samples from granite pegmatite of Ilesa and Ijero-Ekiti, Southwestern Nigeria |
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| [var. Emerald] (2002) Emeralds of the World. extraLapis English 2. Lapis International LLC |
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| Yunusa, A, Ibrahim, AA (2019) Beryl mineralization and the evolution of Pegmatites of Ikara NW Nigeria. African Journal of Earth and Environmental Sciences, 35-48 |
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| [var. Emerald] Labeled Emerald specimen from the Nandu mine is in the Mario Pauwels collection |
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| Rotimi, I.A., Obasi, R.A. (2012) Uranium-Bearing Niobotantalate (Petscheckite) – A New Mineral in Nigeria. Journal of Science and Technology, 1(6): 316-321. |
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| Okunlola, O. A., & Ocan, O. O. (2009). Rare metal (Ta-Sn-Li-Be) distribution in Precambrian pegmatites of Keffi area, Central Nigeria. Nature and Science, 7, 90-99. |
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| [var. Aquamarine] |
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| [var. Emerald] Groat, L.A., Giuliani, G., Marshall, D.D., Turner, D. (2008) Emerald deposits and occurrences: A review. Ore Geology Reviews, 34 (1) 87-112 doi:10.1016/j.oregeorev.2007.09.003 |
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| [var. Aquamarine] Dan Weinrich specimen, Tucson 2010 ex Lloyd Tate collection |
Nandu Mine, Nandu Village, Sanga, Kaduna, Nigeria