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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1256): Tanzanite Clear All
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ID: 4236621 pcs
1.87ct Tanzanite
8.94mm x 6.37mm x 4.40mm
USD 215.95
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ID: 4137976 pcs
1.18ctw Tanzanite
4.95mm x 3.09mm x 1.96mm
USD 41.30
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ID: 4195306 pcs
1.81ctw Tanzanite
5.87mm x 3.84mm x 2.15mm
USD 79.64
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ID: 4203632 pcs
2.12ctw Tanzanite
6.25mm x 4.04mm
USD 254.40
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ID: 4112244 pcs
2.55ctw Tanzanite
6.20mm x 4.44mm x 3.41mm
USD 178.50
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ID: 4116681 pcs
2.59ct Tanzanite
9.76mm x 7.70mm x 4.96mm
USD 518.00
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ID: 4381981 pcs
0.52ct Tanzanite
5.91mm x 3.81mm x 3.33mm
USD 23.05
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ID: 3781971 pcs
12.03ct Tanzanite
13.09mm x 12.82mm x 9.31mm
USD 6123.75
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ID: 4236131 pcs
1.35ct Tanzanite
7.91mm x 6.26mm x 3.94mm
USD 155.90
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ID: 4115701 pcs
1.07ct Tanzanite
6.91mm x 5.21mm x 4.45mm
USD 74.90
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ID: 3481831 pcs
2.50ct Tanzanite
8.62mm x 7.02mm x 5.41mm
USD 317.50
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ID: 35036810 pcs
3.18ctw Tanzanite
7.04mm x 3.62mm x 2.09mm
USD 114.48
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ID: 4381484 pcs
1.60ctw Tanzanite
5.90mm x 3.96mm x 2.31mm
USD 70.91
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ID: 4235001 pcs
2.29ct Tanzanite
10.96mm x 7.07mm x 4.89mm
USD 458.00
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ID: 4129866 pcs
1.35ctw Tanzanite
4.89mm x 3.76mm x 2.00mm
USD 47.25
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ID: 4247171 pcs
1.34ct Tanzanite
7.14mm x 7.02mm x 4.33mm
USD 154.74
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ID: 4242852 pcs
2.55ctw Tanzanite
7.11mm x 6.92mm x 4.39mm
USD 295.16
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ID: 4211912 pcs
2.11ctw Tanzanite
7.34mm x 7.15mm x 3.37mm
USD 245.16
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ID: 4249531 pcs
0.66ct Tanzanite
6.83mm x 4.88mm x 3.10mm
USD 28.54
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ID: 4253831 pcs
0.54ct Tanzanite
6.84mm x 4.75mm x 2.86mm
USD 23.36
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ID: 3776461 pcs
1.38ct Tanzanite
8.57mm x 6.57mm x 3.54mm
USD 175.26
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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