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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1237): Tanzanite Tanzanite Clear All
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ID: 4206944 pcs
1.82ctw Tanzanite
5.97 x 4.01 x 2.74mm
USD 79.46
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ID: 4129245 pcs
1.18ctw Tanzanite
4.99 x 3.78 x 2.09mm
USD 41.30
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ID: 4247121 pcs
1.06ct Tanzanite
7.18 x 6.89 x 3.65mm
USD 122.41
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ID: 4341731 pcs
1.25ct Tanzanite
10.87 x 5.52 x 3.21mm
USD 87.50
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ID: 4214831 pcs
1.05ct Tanzanite
6.90 x 6.78 x 3.91mm
USD 122.00
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ID: 4213771 pcs
1.24ct Tanzanite
7.21 x 6.84 x 4.55mm
USD 144.08
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ID: 4246941 pcs
1.24ct Tanzanite
8.21 x 6.22 x 3.95mm
USD 143.20
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ID: 3015661 pcs
0.84ct Tanzanite
7.03 x 4.97 x 3.19mm
USD 110.88
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ID: 4249101 pcs
0.59ct Tanzanite
6.88 x 4.93 x 2.87mm
USD 25.52
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ID: 2588946 pcs
1.89ctw Tanzanite
7.20 x 3.42 x 1.79mm
USD 68.04
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ID: 4165785 pcs
2.27ctw Tanzanite
6.05 x 4.06 x 2.58mm
USD 99.22
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ID: 3616391 pcs
1.42ct Tanzanite
8.86 x 6.65 x 3.26mm
USD 161.51
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ID: 4118371 pcs
1.96ct Tanzanite
9.45 x 7.42 x 3.86mm
USD 392.00
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ID: 4246351 pcs
1.48ct Tanzanite
7.80 x 4.99 x 3.93mm
USD 170.91
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ID: 4009061 pcs
6.83ct Tanzanite
11.87 x 11.30 x 8.46mm
USD 3441.50
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ID: 4382092 pcs
0.98ctw Tanzanite
6.05 x 4.15 x 3.29mm
USD 42.81
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ID: 4157985 pcs
2.24ctw Tanzanite
5.89 x 3.89 x 2.76mm
USD 97.37
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ID: 4143308 pcs
1.48ctw Tanzanite
5.09 x 3.15 x 1.89mm
USD 51.80
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ID: 2543201 pcs
2.23ct Tanzanite
9.40 x 7.43 x 4.34mm
USD 481.00
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ID: 4240911 pcs
1.61ct Tanzanite
8.91 x 6.82 x 4.13mm
USD 186.36
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ID: 35118610 pcs
3.59ctw Tanzanite
4.65 x 4.45 x 2.55mm
USD 150.78
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Tanzanite
Discovered only in 1967 in Tanzania, this lovely gem has been a worldwide success, and demand continues to exceed supply. Tanzanite is a variety of zoisite, which is a member of the epidote group. Colors include blue, purple and green. The most highly coveted color is a deep blue which shows a purple shimmer.

Tanzanite is trichroic and exhibits pronounced pleochroism. The colors respective to the three directions are sapphire-blue, sage green, and purple. Orientation is an important consideration for cutters who need to consider both the yield and the resulting color.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart