Tanzanian Spinel Gemstones: Spinel from Tanzania in All Colors, Si...

When it comes to gemstones, natural spinel isn't particularly well-known, especially when it comes to commercial retail jewelry. In fact, for most of time, spinel was mistaken for other gems, such as varieties of corundum, like the curious case of 'The Black Prince's Ruby'. Spinel is highly prized for its excellent hardness (8 on Mohs scale), and compared to precious ruby, spinel has greater dispersion (fire) and brilliance. Spinel is also one of the few singly refractive gems, which gives it the ability to exhibit intense colors with a special level of purity. Best of all, spinel is never treated unlike sapphire and ruby, making it one of the best untreated gemstones on the market.

Historically, Burma (Myanmar) has been the world's primary source for fine quality spinel, which is also one of the reasons it has been a difficult gemstone to source for most buyers. However, since the last decade, spinel has become much more openly available because of Tanzanian deposits being commercialized. Burma is still the leader when it comes to the rare red spinel, but Tanzania is becoming one of the top producers for other attractive spinel colors, such as pink, violet, blue and unusual orange, as well as a bright purple variety too. Most spinel is very hard to find in gems weighing over 1 carat, but many spinel gems from Tanzania are being discovered in very large sizes, often weighing over 5-10 carats. Nowadays, in addition to Burma and Tanzania, spinel is also mined and sourced from Sri Lanka and Tajikistan, usually alongside ruby and sapphire.

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Buy Tanzanian Spinel Gems

25.34 ct Black Spinel, 17.7 x 8.2 mm Baguette Rose Cut From Thailand

14.65 ct Black Spinel, 12.1 mm Round Rose Cut From Thailand

15.27 ct Black Spinel, 12 mm Round Rose Cut From Thailand

0.65 ct Purple Spinel, 5.1 mm Round Cut From Tanzania

14.27 ct Black Spinel, 12 mm Round Rose Cut From Thailand

19.19 ct Black Spinel, 10.2 mm Round Rose Cut From Thailand

0.89 ct Pink Spinel, 5.8 x 5.5 mm Cushion Cut From Tanzania

0.58 ct Purple Spinel, 5 mm Round Cut From Tanzania

1.42 ct Purple Spinel, 6.7 x 5.9 mm Cushion Cut From Tanzania

7.87 ct Black Spinel, 10.1 mm Round Rose Cut From Thailand

0.71 ct Purple Spinel, 5.2 x 4.9 mm Cushion Cut From Tanzania

9.95 ct Black Spinel, 10.2 mm Round Rose Cut From Thailand

14.57 ct Black Spinel, 12 x 10.1 mm Cushion Rose Cut From Thailand

1.02 carat Purple Spinel, Pear Shape loose Spinel from Tanzania, Natural Untreated Gem, 7.6 x 6.1 mm

1.17 ct Pink Spinel, 7.3 x 5 mm Cushion Cut From Tanzania

0.57 ct Purple Spinel, 4.9 mm Round Cut From Tanzania

0.68 ct Purple Spinel, 5 mm Round Cut From Tanzania

6.57 ct Black Spinel, 9.1 mm Round Rose Cut From Thailand

1.17 ct Purple Spinel, 6.5 x 5.4 mm Cushion Cut From Tanzania

25.07 ct Yellow Spinel, 17.6 x 8.2 mm Baguette Rose Cut From Thailand

13.46 ct Black Spinel, 12.1 x 11.8 mm Heart Rose Cut From Thailand

1.56 ct Purple Spinel, 6.3 x 6.3 mm Cushion Cut From Tanzania

14.5 ct Black Spinel, 12 x 10.1 mm Cushion Rose Cut From Thailand

1.09 ct Violet Spinel, 6.3 x 5.8 mm Cushion Cut From Tanzania

0.98 ct Purple Spinel, 6.3 x 5.4 mm Cushion Cut From Tanzania

1.69 ct Purple Spinel, 6.8 x 6.3 mm Cushion Cut From Tanzania

0.65 ct Pink Spinel, 4.8 x 4.6 mm Cushion Cut From Tanzania

13.12 ct Black Spinel, 12.1 x 11.7 mm Heart Rose Cut From Thailand

7.84 ct Black Spinel, 9.1 mm Round Rose Cut From Thailand

1.56 ct Purple Spinel, 6.9 x 6.6 mm Cushion Cut From Tanzania

1.45 ct Purple Spinel, 6.8 x 5.8 mm Cushion Cut From Tanzania

0.55 ct Red Spinel, 5 x 4.6 mm Cushion Cut From Tanzania

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