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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: 4300721 pcs
0.46ct Iolite
6.65 x 4.93 x 2.53mm
USD 9.20
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ID: 2800396 pcs
1.15ctw Iolite
5.05 x 3.15 x 1.99mm
USD 6.90
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ID: 4107061 pcs
0.86ct Iolite
7.67 x 5.32 x 2.79mm
USD 17.72
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ID: 2800729 pcs
1.70ctw Iolite
4.87 x 3.12 x 2.21mm
USD 10.20
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ID: 3450671 pcs
1.26ct Iolite
9.19 x 6.44 x 4.20mm
USD 37.80
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ID: 4123941 pcs
0.82ct Iolite
6.75 x 4.89 x 3.37mm
USD 16.40
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ID: 4301751 pcs
0.43ct Iolite
6.51 x 4.58 x 3.07mm
USD 8.60
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ID: 2796476 pcs
2.88ctw Iolite
6.04 x 3.91 x 2.62mm
USD 34.56
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ID: 4308041 pcs
0.57ct Iolite
6.69 x 4.70 x 3.20mm
USD 11.40
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ID: 4088964 pcs
1.88ctw Iolite
6.85 x 4.80 x 2.78mm
USD 38.80
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ID: 4122568 pcs
2.17ctw Iolite
5.10 x 3.04 x 2.32mm
USD 43.40
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ID: 4123081 pcs
0.79ct Iolite
6.76 x 4.90 x 3.46mm
USD 15.80
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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: 2800196 pcs
1.17ctw Iolite
5.07 x 3.14 x 2.46mm
USD 7.02
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ID: 2800776 pcs
1.09ctw Iolite
5.06 x 3.12 x 2.24mm
USD 6.54
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ID: 41044110 pcs
1.64ctw Iolite
4.95 x 3.02 x 2.20mm
USD 16.86
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ID: 4105122 pcs
1.12ctw Iolite
7.87 x 4.00 x 3.34mm
USD 23.07
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ID: 3408541 pcs
1.48ct Iolite
9.25 x 5.78 x 3.56mm
USD 44.40
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ID: 4108624 pcs
1.59ctw Iolite
7.75 x 3.98 x 2.58mm
USD 32.75
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ID: 4127681 pcs
0.92ct Iolite
7.97 x 5.64 x 4.31mm
USD 18.40
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ID: 4109964 pcs
1.56ctw Iolite
6.11 x 4.10 x 2.77mm
USD 32.10
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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