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Gemtype Color Shape Weight Size Date Clarity Price Origin
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ID: 3474961 pcs
1.71ct Tanzanite
8.22 x 6.13 x 4.25mm
USD 251.37
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ID: 4252131 pcs
0.61ct Tanzanite
6.89 x 4.80 x 2.95mm
USD 26.38
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ID: 3280641 pcs
2.91ct Tanzanite
10.38 x 7.26 x 4.54mm
USD 832.26
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ID: 3986561 pcs
1.28ct Tanzanite
7.68 x 5.80 x 4.32mm
USD 135.26
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ID: 4132126 pcs
1.29ctw Tanzanite
4.82 x 3.76 x 2.08mm
USD 45.15
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ID: 4236631 pcs
1.90ct Tanzanite
9.12 x 6.97 x 4.44mm
USD 219.41
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ID: 35037710 pcs
3.30ctw Tanzanite
6.84 x 3.52 x 1.98mm
USD 118.80
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ID: 3481621 pcs
1.26ct Tanzanite
8.01 x 6.17 x 3.46mm
USD 185.22
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ID: 4241051 pcs
1.86ct Tanzanite
8.29 x 8.02 x 5.14mm
USD 215.30
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ID: 3777781 pcs
1.60ct Tanzanite
9.82 x 6.75 x 4.15mm
USD 203.20
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ID: 4138958 pcs
1.29ctw Tanzanite
4.87 x 2.92 x 1.82mm
USD 45.15
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ID: 4158035 pcs
2.16ctw Tanzanite
6.00 x 3.95 x 2.34mm
USD 93.90
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ID: 3986371 pcs
1.56ct Tanzanite
9.97 x 5.78 x 4.15mm
USD 164.85
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ID: 4145446 pcs
1.22ctw Tanzanite
5.07 x 3.11 x 2.35mm
USD 42.70
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ID: 3986541 pcs
1.22ct Tanzanite
8.17 x 6.21 x 3.35mm
USD 128.92
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ID: 41245910 pcs
1.98ctw Tanzanite
5.07 x 3.12 x 1.93mm
USD 89.10
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ID: 3008561 pcs
0.84ct Tanzanite
6.93 x 4.96 x 3.05mm
USD 101.64
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ID: 4124641 pcs
3.05ct Tanzanite
10.14 x 7.80 x 5.17mm
USD 884.50
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ID: 4211701 pcs
1.61ct Tanzanite
7.22 x 7.16 x 4.80mm
USD 187.07
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ID: 4131445 pcs
1.29ctw Tanzanite
4.98 x 3.84 x 2.10mm
USD 45.15
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ID: 4112161 pcs
1.17ct Tanzanite
7.78 x 6.00 x 3.48mm
USD 81.90
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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