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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: 4126241 pcs
0.68ct Iolite
7.97 x 5.75 x 3.15mm
USD 13.60
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ID: 4301771 pcs
0.51ct Iolite
6.76 x 4.22 x 3.60mm
USD 10.20
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ID: 3450651 pcs
1.70ct Iolite
10.00 x 6.93 x 5.05mm
USD 51.00
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ID: 4302461 pcs
0.71ct Iolite
7.03 x 5.08 x 2.59mm
USD 14.20
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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: 4105092 pcs
1.17ctw Iolite
7.87 x 4.03 x 3.74mm
USD 24.10
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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: 4108668 pcs
2.77ctw Iolite
6.05 x 3.89 x 3.10mm
USD 57.06
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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: 3404851 pcs
2.20ct Iolite
11.03 x 8.61 x 4.70mm
USD 66.00
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ID: 4084521 pcs
0.78ct Iolite
7.94 x 5.58 x 3.34mm
USD 16.10
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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: 2796426 pcs
3.04ctw Iolite
5.98 x 3.97 x 2.91mm
USD 36.48
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ID: 4128906 pcs
1.87ctw Iolite
6.04 x 3.96 x 2.71mm
USD 37.40
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ID: 4306561 pcs
0.63ct Iolite
5.19 x 5.19 x 4.64mm
USD 12.60
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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: 4107711 pcs
0.97ct Iolite
7.96 x 4.11 x 3.44mm
USD 19.98
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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: 4089075 pcs
1.90ctw Iolite
6.08 x 3.97 x 3.04mm
USD 39.22
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ID: 4127333 pcs
1.54ctw Iolite
7.00 x 4.80 x 3.18mm
USD 30.80
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ID: 41045910 pcs
2.48ctw Iolite
5.12 x 3.20 x 2.79mm
USD 25.49
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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