Umba Valley, Tanzania
Guiding a group of students to the alluvial deposit of Umba where we found:
Sapphire, Ruby, Garnet, Turmalin, Spinell and Zircon.
In collaboration with the local miners.
Sapphire, Ruby, Garnet, Turmalin, Spinell and Zircon.
In collaboration with the local miners.
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 Nakara S.E. Matemu |
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Copyright on all photos by Nakara S. Matemu