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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: 4305471 pcs
0.42ct Iolite
5.90 x 3.93 x 2.50mm
USD 8.40
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ID: 41045310 pcs
2.17ctw Iolite
5.05 x 3.18 x 2.44mm
USD 22.31
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ID: 2800456 pcs
1.06ctw Iolite
4.82 x 3.04 x 1.90mm
USD 6.36
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ID: 2796306 pcs
3.11ctw Iolite
5.87 x 3.98 x 3.46mm
USD 37.32
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ID: 4128895 pcs
2.55ctw Iolite
5.29 x 5.19 x 3.80mm
USD 51.00
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ID: 4107731 pcs
1.33ct Iolite
9.32 x 4.54 x 3.81mm
USD 27.40
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ID: 4302451 pcs
0.42ct Iolite
6.88 x 3.91 x 2.05mm
USD 8.40
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ID: 4108653 pcs
1.47ctw Iolite
8.03 x 3.88 x 2.88mm
USD 30.28
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ID: 4111604 pcs
1.54ctw Iolite
5.94 x 4.04 x 3.01mm
USD 31.69
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ID: 4106474 pcs
2.04ctw Iolite
6.80 x 4.75 x 3.29mm
USD 42.02
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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: 4305441 pcs
0.75ct Iolite
6.97 x 4.95 x 2.85mm
USD 15.00
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ID: 4106463 pcs
2.19ctw Iolite
7.00 x 4.73 x 3.84mm
USD 45.11
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ID: 4109974 pcs
1.72ctw Iolite
6.13 x 4.12 x 3.31mm
USD 35.40
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ID: 4105661 pcs
0.98ct Iolite
8.02 x 4.52 x 3.53mm
USD 20.19
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ID: 2796376 pcs
3.08ctw Iolite
5.98 x 4.03 x 2.75mm
USD 36.96
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ID: 2796536 pcs
3.33ctw Iolite
5.91 x 4.04 x 2.99mm
USD 39.96
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ID: 3450201 pcs
2.04ct Iolite
10.85 x 7.85 x 4.74mm
USD 61.20
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ID: 4308061 pcs
0.56ct Iolite
6.25 x 4.59 x 3.44mm
USD 11.20
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ID: 4123981 pcs
0.79ct Iolite
6.92 x 4.84 x 3.14mm
USD 15.80
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ID: 4126201 pcs
0.72ct Iolite
7.92 x 5.72 x 3.19mm
USD 14.40
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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