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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: 4127374 pcs
2.29ctw Iolite
7.04 x 4.89 x 3.41mm
USD 45.80
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ID: 2800636 pcs
1.16ctw Iolite
5.09 x 3.13 x 2.25mm
USD 6.96
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ID: 4302421 pcs
0.58ct Iolite
6.69 x 4.52 x 2.64mm
USD 11.60
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ID: 4105092 pcs
1.17ctw Iolite
7.87 x 4.03 x 3.74mm
USD 24.10
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ID: 4107691 pcs
1.23ct Iolite
9.46 x 4.58 x 3.49mm
USD 25.34
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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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ID: 4110054 pcs
1.54ctw Iolite
6.19 x 4.14 x 2.83mm
USD 31.69
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ID: 4089325 pcs
2.27ctw Iolite
7.93 x 3.98 x 3.18mm
USD 46.85
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ID: 4106484 pcs
1.85ctw Iolite
6.89 x 4.75 x 2.90mm
USD 38.11
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ID: 2551315 pcs
1.39ctw Iolite
4.99 x 3.08 x 2.44mm
USD 14.60
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ID: 2799876 pcs
1.16ctw Iolite
4.89 x 3.05 x 2.42mm
USD 6.96
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ID: 2795705 pcs
2.66ctw Iolite
6.09 x 3.85 x 3.05mm
USD 31.92
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ID: 4087684 pcs
1.87ctw Iolite
8.04 x 3.99 x 2.80mm
USD 38.60
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ID: 4122465 pcs
1.31ctw Iolite
4.96 x 3.01 x 2.31mm
USD 26.20
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ID: 41242810 pcs
2.21ctw Iolite
5.00 x 2.96 x 2.09mm
USD 44.20
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ID: 4107651 pcs
0.94ct Iolite
8.01 x 4.13 x 3.81mm
USD 19.36
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ID: 4111474 pcs
1.53ctw Iolite
6.06 x 4.07 x 2.73mm
USD 31.49
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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: 4106504 pcs
2.45ctw Iolite
6.95 x 4.95 x 3.42mm
USD 50.47
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ID: 4301721 pcs
0.51ct Iolite
6.86 x 4.65 x 3.27mm
USD 10.20
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ID: 28012010 pcs
1.93ctw Iolite
5.02 x 3.18 x 2.58mm
USD 11.58
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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