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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (284): Iolite Iolite Clear All
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ID: 4305431 pcs
0.45ct Iolite
5.89 x 4.08 x 2.61mm
USD 9.00
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ID: 4109954 pcs
1.58ct Iolite
6.00 x 4.08 x 2.98mm
USD 32.52
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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: 4127701 pcs
0.82ct Iolite
8.12 x 5.89 x 3.51mm
USD 16.40
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ID: 41044510 pcs
1.67ct Iolite
4.97 x 3.02 x 2.17mm
USD 17.17
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ID: 2800826 pcs
1.21ct Iolite
4.86 x 3.13 x 2.28mm
USD 7.26
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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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ID: 2800719 pcs
1.55ct Iolite
4.96 x 3.07 x 2.04mm
USD 9.30
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ID: 3404901 pcs
2.13ct Iolite
12.07 x 7.21 x 4.95mm
USD 63.90
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ID: 4128916 pcs
2.21ct Iolite
6.08 x 3.97 x 3.06mm
USD 44.20
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ID: 3421461 pcs
3.16ct Iolite
13.03 x 8.42 x 6.26mm
USD 148.52
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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: 4106484 pcs
1.85ct Iolite
6.89 x 4.75 x 2.90mm
USD 38.11
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ID: 4127363 pcs
1.93ct Iolite
6.85 x 4.91 x 3.81mm
USD 38.60
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ID: 4308131 pcs
0.44ct Iolite
6.25 x 4.77 x 2.70mm
USD 8.80
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ID: 4122517 pcs
2.04ct Iolite
4.95 x 3.00 x 2.68mm
USD 40.80
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ID: 3404971 pcs
7.41ct Iolite
17.51 x 11.63 x 7.00mm
USD 422.37
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ID: 4306541 pcs
0.41ct Iolite
6.59 x 4.45 x 2.84mm
USD 8.20
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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: 4128885 pcs
1.80ct Iolite
5.98 x 3.96 x 3.15mm
USD 36.00
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ID: 4108653 pcs
1.47ct Iolite
8.03 x 3.88 x 2.88mm
USD 30.28
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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