Longido, Tanzania

Ruby in green zoisite matrix from Longido, Tanzania

Posted 08/31/2011  /   By SSEF  /  0 Comments

Ruby found inzoisite matrix, used as ornamental material mostly.  

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Williamson diamond mine, Tanzania

Rough diamond

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Tanzania’s only large-scale diamond mine.

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Winza, Tanzania

Ruby from Winza, Tanzania

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Deposit discovered in 2008 close to the village of Winza that has produced a number of impressive rubies of finest quality. Apart from this, many bicoloured (blue and red) and multicoloured (blue, white, purple, red) zoned sapphires have been found.  

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Songea, Tanzania

Gemstone gravels from Songea, Tanzania

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Alluvial deposits around Songea with a wide range of coloured sapphires.

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Tunduru, Tanzania

Gemstone gravels from Tunduru, Tanzania

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Rich placer deposits in South Tanzania with sapphire, ruby, spinel, garnet, chrysoberyl, tourmaline, zircon, diamond.

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Sapphire deposit in Rwanda

Cabochon sapphire from Rwanda

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Basaltic sapphire deposit near the town of Cyangugu in Rwanda.  

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Jwaneng diamond mine, Botswana

polished diamond

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Important diamond mine in south central Botswana.

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Orapa diamond mining region in Botswana

Rough diamond

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Recently opened open-pit diamond mine near Francistown (Botswana).

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Letseng diamond mine, Lesotho

diamond rough

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Important diamond mine in Lesotho.

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Cullinan, South Africa

Rough diamond

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Famous South African diamond mine and significant source of blue diamonds.

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