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Gemtype Color Shape Weight Size Date Clarity Price Origin
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ID: 3986151 pcs
1.39ct Tanzanite
8.57 x 5.99 x 3.79mm
USD 146.88
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ID: 4202286 pcs
2.17ctw Tanzanite
6.07 x 4.02 x 2.19mm
USD 95.57
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ID: 4247511 pcs
1.30ct Tanzanite
9.65 x 6.35 x 3.21mm
USD 150.12
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ID: 4246301 pcs
1.15ct Tanzanite
8.08 x 7.53 x 3.50mm
USD 132.80
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ID: 4238541 pcs
1.55ct Tanzanite
8.39 x 6.41 x 4.14mm
USD 178.99
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ID: 4123271 pcs
0.93ct Tanzanite
9.92 x 5.09 x 2.79mm
USD 65.10
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ID: 3480671 pcs
1.83ct Tanzanite
8.70 x 6.79 x 4.36mm
USD 232.41
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ID: 4381641 pcs
0.60ct Tanzanite
6.27 x 4.15 x 3.27mm
USD 26.59
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ID: 4242791 pcs
1.08ct Tanzanite
7.35 x 6.98 x 3.38mm
USD 125.01
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ID: 4247181 pcs
1.09ct Tanzanite
7.08 x 6.82 x 3.64mm
USD 125.87
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ID: 4247631 pcs
0.93ct Tanzanite
6.88 x 6.81 x 3.41mm
USD 107.40
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ID: 4214881 pcs
1.30ct Tanzanite
7.23 x 7.14 x 4.54mm
USD 151.05
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ID: 4238281 pcs
2.38ct Tanzanite
10.16 x 7.22 x 4.64mm
USD 476.00
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ID: 2958781 pcs
0.87ct Tanzanite
8.07 x 5.21 x 3.21mm
USD 100.49
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ID: 4206884 pcs
1.65ctw Tanzanite
6.02 x 3.99 x 2.83mm
USD 72.04
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ID: 4205171 pcs
1.09ct Tanzanite
6.52 x 3.81mm
USD 130.80
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ID: 4381961 pcs
0.61ct Tanzanite
5.92 x 4.00 x 3.51mm
USD 27.04
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ID: 4154661 pcs
2.96ct Tanzanite
10.26 x 7.86 x 5.31mm
USD 592.00
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ID: 4130816 pcs
1.62ctw Tanzanite
4.95 x 3.90 x 2.27mm
USD 56.70
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ID: 2881641 pcs
1.36ct Tanzanite
11.04 x 5.50 x 3.50mm
USD 172.72
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ID: 4165845 pcs
2.23ctw Tanzanite
5.96 x 4.06 x 2.61mm
USD 97.47
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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