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Tanga, Kilimanjaro
Umba Valley (Tanzania garnet and sapphire)
Gem locality Documented siteGray area
What you could find
Reported finds from this ground.
Crystals and mineralsAlso reported: orange/pink sapphire, rhodolite, 'Umba' sapphire.
Photos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).
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Why this spot
Alluvial and metamorphic gem gravels
Umba: source of unusual color-change garnets and fancy sapphires
Keep exploring nearby
More spots in this area.