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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: 4302441 pcs
0.39ct Iolite
6.88 x 3.85 x 2.10mm
USD 7.80
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ID: 41045710 pcs
2.48ctw Iolite
5.15 x 3.31 x 2.73mm
USD 25.49
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ID: 4106535 pcs
2.13ctw Iolite
5.05 x 4.95 x 3.30mm
USD 43.88
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ID: 4126794 pcs
2.38ctw Iolite
6.79 x 4.92 x 3.52mm
USD 47.60
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ID: 4303461 pcs
0.64ct Iolite
7.86 x 5.00 x 3.07mm
USD 12.80
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ID: 41044610 pcs
1.80ctw Iolite
4.23 x 3.20 x 2.29mm
USD 18.50
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ID: 4108644 pcs
2.23ctw Iolite
7.81 x 4.01 x 3.29mm
USD 45.94
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ID: 3416351 pcs
2.00ct Iolite
11.46 x 7.90 x 4.22mm
USD 56.00
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ID: 4127394 pcs
1.96ctw Iolite
6.73 x 4.69 x 3.00mm
USD 39.20
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ID: 2795745 pcs
2.28ctw Iolite
6.07 x 4.07 x 2.70mm
USD 27.36
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ID: 2795716 pcs
2.68ctw Iolite
5.88 x 3.88 x 2.61mm
USD 32.16
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ID: 2800466 pcs
1.10ctw Iolite
4.89 x 2.78 x 2.44mm
USD 6.60
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ID: 4087724 pcs
1.56ctw Iolite
4.91 x 4.83 x 3.32mm
USD 32.20
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ID: 4123091 pcs
0.94ct Iolite
9.00 x 4.37 x 2.98mm
USD 18.80
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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: 3421501 pcs
5.28ct Iolite
15.12 x 10.09 x 7.45mm
USD 248.16
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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: 41044810 pcs
2.39ctw Iolite
5.10 x 3.20 x 2.56mm
USD 24.57
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ID: 3416401 pcs
2.96ct Iolite
10.03 x 9.33 x 6.44mm
USD 82.88
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ID: 4087694 pcs
1.61ctw Iolite
7.81 x 3.94 x 2.39mm
USD 33.23
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ID: 3404761 pcs
3.50ct Iolite
14.28 x 8.67 x 5.77mm
USD 164.50
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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