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Madagascar | |
| Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624. |
| 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 |
| Cecco, V. D. (2013). The Mineralogy and Geochemistry of the Green Giant Vanadium-graphite Deposit, SW Madagascar (Masters dissertation). University of Toronto |