Minerals Found in Tanzania


Sapphire is a clear hard variety of corundum used as a gemstone that is usually blue but may be any color except red. Sapphire is the official birthstone for the month of September. It is a second hardest mineral next to diamond.

In Tanzania, sapphire is currently mined by small scale miners in Umba River Valley, Tunduru and Songea.

The first and most popular use for sapphire is as decoration. It is also used as a window for high temperature applications (like if you need to see inside a high temperature furnace) and for high precision optics and optics for harsh environmental conditions


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