Tanzanian Sapphire Gems: Natural Sapphires in all Colors, Sizes an...

Tanzanian sapphire gems have proven to be very popular as of recent times. Many of the sapphires from Tanzania entering the market are untreated gems which are getting rarer and pricier every year. Tanzania is best known for tanzanite and rare tsavorite garnet, but over recent years, Tanzania has become one of the most dominant sources for gem-quality sapphire. Some Tanzanian material often exhibits a color-change property, typically shifting from violet to blue. The main limitation with unheated Tanzanian sapphire gems is that they are usually available only in smaller sizes, but many new Tanzanian mining sources have revealed much larger stones, often weighing 1-2 carats or more.

The Songea region of Tanzania is also becoming one the most important sources for fine fancy colored sapphire, particularly due to high levels of magnesium. It is the magnesium which results in a wide range of fancy sapphire colors. Many of the Songea sapphires respond very well to beryllium heat enhancement, producing some stunning colors. In fact, Tanzanian Songea sapphire gems have become so popular recently, that dealers trade them under names such as 'sunset ruby', but technically, they are not rubies at all since the colors are obtained through heat treatment with beryllium. In order to be ruby, it should be naturally red. In addition to Songea region, the Tunduru area near bordering Mozambique, is also a very well-known source for its quality sapphire deposits. Although there are many active sapphire mining areas in Tanzania already, most mining is still on a small scale, which means there is still much to see from Tanzania in the upcoming years.

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Gemstones A-Z

Buy Tanzanian Sapphire Gems

0.91 carat Green Sapphire, Oval loose Sapphire from Tanzania, Natural Gem, 5.9 x 5 mm

4.08 ct Loose Orange Sapphire, 10.2 x 8.6 mm Oval Cut From Thailand

0.42 ct Loose Yellow Sapphire, 4.6 x 4.5 mm Heart Cut From Tanzania

0.51 ct Loose Violet Sapphire, 6.3 x 4.6 mm Oval Cut From Tanzania

0.85 carat Green Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.1 x 5 mm

0.73 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6.1 x 5.1 mm

0.41 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.7 x 3.8 mm

0.49 ct Loose Yellow Sapphire, 4.7 x 4.6 mm Heart Cut From Tanzania

0.45 ct Loose Yellow Sapphire, 4.7 x 4.5 mm Heart Cut From Tanzania

0.91 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 6.1 x 4.5 mm

1.42 ct Loose White Sapphire, 4.2 mm Diamond Cut From Madagascar

1.38 ct Loose Yellow Sapphire, 4.9 mm Round Cut From Tanzania

0.64 ct Loose Orange Sapphire, 5.9 x 4 mm Oval Cut From Tanzania

0.66 ct Loose Pink Sapphire, 5.9 x 3.9 mm Oval Cut From Tanzania

0.52 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6.1 x 4 mm

4.09 ct Loose Square Cut Sapphire, 3.3 x 3.3 mm From Tanzania

0.5 ct Loose Orange Sapphire, 4.5 x 4.5 mm Cushion Cut From Tanzania

0.78 ct Loose Yellow Sapphire, 5.1 x 3 mm Baguette Cut From Tanzania

0.68 carat Blue Sapphire, Pear Cabochon loose Sapphire from Madagascar, Natural Gem, 5.4 x 4.3 mm

0.49 ct Loose Violet Sapphire, 6.1 x 4 mm Oval Cut From Tanzania

0.65 ct Loose Yellow Sapphire, 3.5 x 3.5 mm Princess Cut From Tanzania

0.47 ct Loose Pink Sapphire, 5.8 x 4.2 mm Oval Cut From Tanzania

0.79 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.8 x 4.7 mm

0.4 carat Green Sapphire, Emerald-Cut loose Sapphire from Tanzania, Natural Gem, 5.1 x 3.2 mm

0.53 ct Loose Purple Sapphire, 5.5 x 4.4 mm Oval Cut From Tanzania

0.45 ct Loose Yellow Sapphire, 4.8 x 4.7 mm Heart Cut From Tanzania

0.59 ct Loose Orange Sapphire, 5.2 x 4.1 mm Octagon Cut From Tanzania

0.45 ct Loose Purple Sapphire, 4.9 x 3.8 mm Oval Cut From Madagascar

1.13 ct Loose Princess Cut Sapphire, 2.1 x 2.1 mm From Tanzania

1.24 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gems, 6.2 x 5 mm

2.94 ct Loose Orange Sapphire, 5 mm Round Cut From Tanzania

0.58 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 7.9 x 3.9 mm

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