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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (306): Iolite Iolite Clear All
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ID: 4110004 pcs
1.67ctw Iolite
6.09 x 4.14 x 3.03mm
USD 34.37
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ID: 4122517 pcs
2.04ctw Iolite
4.95 x 3.00 x 2.68mm
USD 40.80
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ID: 2791826 pcs
3.20ctw Iolite
5.95 x 3.96 x 3.19mm
USD 44.80
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ID: 41046110 pcs
2.14ctw Iolite
4.99 x 3.14 x 2.57mm
USD 22.00
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ID: 4302511 pcs
0.73ct Iolite
7.64 x 3.92 x 3.17mm
USD 14.60
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ID: 4303471 pcs
0.58ct Iolite
6.60 x 4.84 x 3.36mm
USD 11.60
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ID: 3404971 pcs
7.41ct Iolite
17.51 x 11.63 x 7.00mm
USD 422.37
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ID: 4308131 pcs
0.44ct Iolite
6.25 x 4.77 x 2.70mm
USD 8.80
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ID: 3318652 pcs
2.33ctw Iolite
6.13 x 6.10 x 4.10mm
USD 60.58
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ID: 4087674 pcs
1.53ctw Iolite
7.49 x 3.71 x 2.51mm
USD 31.58
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ID: 4105112 pcs
1.15ctw Iolite
7.93 x 4.08 x 3.40mm
USD 23.69
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ID: 3405951 pcs
1.40ct Iolite
9.52 x 6.81 x 4.29mm
USD 32.20
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ID: 4127363 pcs
1.93ctw Iolite
6.85 x 4.91 x 3.81mm
USD 38.60
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ID: 3421941 pcs
6.13ct Iolite
16.35 x 11.03 x 7.12mm
USD 349.41
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ID: 4303371 pcs
0.43ct Iolite
6.18 x 4.55 x 2.70mm
USD 8.60
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ID: 2551135 pcs
1.47ctw Iolite
4.97 x 3.03 x 2.64mm
USD 15.44
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ID: 2551225 pcs
1.34ctw Iolite
4.96 x 3.06 x 2.71mm
USD 14.07
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ID: 4301711 pcs
0.44ct Iolite
7.54 x 4.81 x 2.63mm
USD 8.80
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ID: 4089075 pcs
1.90ctw Iolite
6.08 x 3.97 x 3.04mm
USD 39.22
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ID: 4089345 pcs
2.33ctw Iolite
5.89 x 4.10 x 3.37mm
USD 48.09
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ID: 41044910 pcs
2.43ctw Iolite
5.15 x 3.30 x 2.76mm
USD 24.98
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Iolite
The name iolite comes from the Greek "ios", which means violet. The Vikings probably mined iolite from deposits in Norway and Greenland. Viking sailors used iolite as a polarizing filter to find the sun on cloudy days for safe offshore navigation. Iolite is usually a purplish blue when cut properly, with a softness to the color that is quite attractive. The favorite color is that pretty, violet blue that is unlike other gemstones. Pleochroism is very pronounced in iolite and is seen as three different color shades in the same stone. In viewing an iolite stone, the colors violet blue, yellow gray and a light blue can be seen; all a result of pleochroism.

Its hardness of 7-7.5 makes iolite a suitable jewelry stone, though the presence of cleavage must be taken into account and some care taken, such as protection from blows. Iolite, a gem variety of the mineral cordierite, is an unusual stone indeed that is not commonly seen in jewelry. Iolite is known as the gemstone for clear vision.
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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