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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (332): Iolite Clear All
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ID: 4302501 pcs
0.42ct Iolite
5.99mm x 4.07mm x 2.22mm
USD 8.40
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ID: 4308131 pcs
0.44ct Iolite
6.25mm x 4.77mm x 2.70mm
USD 8.80
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ID: 4109964 pcs
1.56ctw Iolite
6.11mm x 4.10mm x 2.77mm
USD 32.10
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ID: 41044110 pcs
1.64ctw Iolite
4.95mm x 3.02mm x 2.20mm
USD 16.86
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ID: 3408541 pcs
1.48ct Iolite
9.25mm x 5.78mm x 3.56mm
USD 44.40
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ID: 2791796 pcs
2.88ctw Iolite
5.99mm x 3.99mm x 2.86mm
USD 40.32
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ID: 4305401 pcs
0.65ct Iolite
7.00mm x 3.81mm x 3.11mm
USD 13.00
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ID: 4305471 pcs
0.42ct Iolite
5.90mm x 3.93mm x 2.50mm
USD 8.40
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ID: 4301701 pcs
0.40ct Iolite
5.90mm x 3.83mm x 3.51mm
USD 8.00
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ID: 4108644 pcs
2.23ctw Iolite
7.81mm x 4.01mm x 3.29mm
USD 45.94
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ID: 4300731 pcs
0.52ct Iolite
6.61mm x 4.14mm x 3.36mm
USD 10.40
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ID: 2551315 pcs
1.39ctw Iolite
4.99mm x 3.08mm x 2.44mm
USD 14.60
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ID: 4303441 pcs
0.47ct Iolite
6.78mm x 3.96mm x 2.36mm
USD 9.40
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ID: 3404851 pcs
2.20ct Iolite
11.03mm x 8.61mm x 4.70mm
USD 66.00
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ID: 4108668 pcs
2.77ctw Iolite
6.05mm x 3.89mm x 3.10mm
USD 57.06
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ID: 2796436 pcs
2.83ctw Iolite
6.03mm x 3.85mm x 2.71mm
USD 33.96
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ID: 4109944 pcs
1.45ctw Iolite
5.98mm x 4.09mm x 2.61mm
USD 29.84
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ID: 4087644 pcs
2.30ctw Iolite
7.89mm x 3.94mm x 3.40mm
USD 47.47
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ID: 2796306 pcs
3.11ctw Iolite
5.87mm x 3.98mm x 3.46mm
USD 37.32
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ID: 4127721 pcs
0.76ct Iolite
6.18mm x 5.97mm x 4.23mm
USD 15.20
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ID: 4127333 pcs
1.54ctw Iolite
7.00mm x 4.80mm x 3.18mm
USD 30.80
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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