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You Selected (164): Iolite Iolite Clear All
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ID: 46857415 pcs
thumb image of 1.7ct Marquise Facet Violet Blue Iolite (ID: 468574)
1.71 ct Iolite
4.9 x 2.5 mm
$ 13.68
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ID: 2795745 pcs
thumb image of 2.3ct Octagon Step Cut Violet Blue Iolite (ID: 279574)
2.28 ct Iolite
6.1 x 4.1 mm
$ 27.36
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ID: 4089335 pcs
thumb image of 1.8ct Oval Facet Violet Blue Iolite (ID: 408933)
1.78 ct Iolite
5.6 x 3.9 mm
$ 36.74
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ID: 4087694 pcs
thumb image of 1.6ct Marquise Facet Violet Blue Iolite (ID: 408769)
1.61 ct Iolite
7.8 x 3.9 mm
$ 33.23
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ID: 4122486 pcs
thumb image of 1.3ct Octagon Facet Violet Blue Iolite (ID: 412248)
1.34 ct Iolite
5 x 2.9 mm
$ 26.80
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ID: 2796376 pcs
thumb image of 3.1ct Octagon Facet Violet Blue Iolite (ID: 279637)
3.08 ct Iolite
6 x 4 mm
$ 36.96
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ID: 4687104 pcs
thumb image of 1.1ct Pear Facet Violet Blue Iolite (ID: 468710)
1.06 ct Iolite
5.7 x 3.8 mm
$ 8.48
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ID: 41046010 pcs
thumb image of 2.5ct Oval Facet Violet Blue Iolite (ID: 410460)
2.53 ct Iolite
5.2 x 3.2 mm
$ 26.01
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ID: 4108614 pcs
thumb image of 1.8ct Marquise Facet Violet Blue Iolite (ID: 410861)
1.80 ct Iolite
7.6 x 3.7 mm
$ 37.08
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ID: 4687004 pcs
thumb image of 1.3ct Round Facet Violet Blue Iolite (ID: 468700)
1.25 ct Iolite
4.6 mm
$ 10.00
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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

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