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Sapphire from West Africa

Cameroon
 
  • Southwest Region
    • Manyu
      • Eyumodjock
Kanouo, N. S., Yongue, R. F., Chen, S., Njonfang, E., Ma, C., Ghogomu, T. R., ... & Sababa, E. (2012). Greyish-Black Rutile Megaclasts from the Nsanaragati Gem Placer, SW Cameroon: Geochemical Features and Genesis. Journal of Geography and Geology, 4(2), p134.
Nigeria
 
  • Kaduna
Kievlenko, Eugenii Ya., Soregaroli, A. - Ed. (2003) Geology of Gems - First English Edition. Ocean Pictures Ltd, Littleton, Colorado. p.1-468.
 
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