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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (332): Iolite Clear All
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ID: 4128875 pcs
1.77ctw Iolite
5.82mm x 4.05mm x 2.61mm
USD 35.40
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ID: 4087664 pcs
1.90ctw Iolite
7.66mm x 3.82mm x 3.06mm
USD 39.22
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ID: 4089345 pcs
2.33ctw Iolite
5.89mm x 4.10mm x 3.37mm
USD 48.09
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ID: 3404811 pcs
3.78ct Iolite
14.13mm x 8.42mm x 6.33mm
USD 177.66
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ID: 4306521 pcs
0.45ct Iolite
6.73mm x 4.94mm x 3.12mm
USD 9.00
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ID: 4127343 pcs
2.35ctw Iolite
6.97mm x 5.53mm x 3.75mm
USD 47.00
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ID: 4302421 pcs
0.58ct Iolite
6.69mm x 4.52mm x 2.64mm
USD 11.60
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ID: 4302411 pcs
0.61ct Iolite
7.52mm x 4.09mm x 2.56mm
USD 12.20
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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: 3450021 pcs
1.47ct Iolite
9.63mm x 6.50mm x 4.75mm
USD 44.10
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ID: 4084591 pcs
0.85ct Iolite
8.02mm x 5.13mm x 3.90mm
USD 17.54
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ID: 4306541 pcs
0.41ct Iolite
6.59mm x 4.45mm x 2.84mm
USD 8.20
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ID: 4128885 pcs
1.80ctw Iolite
5.98mm x 3.96mm x 3.15mm
USD 36.00
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ID: 4127363 pcs
1.93ctw Iolite
6.85mm x 4.91mm x 3.81mm
USD 38.60
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ID: 4123151 pcs
0.73ct Iolite
6.81mm x 4.77mm x 2.98mm
USD 14.60
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ID: 4303421 pcs
0.43ct Iolite
6.72mm x 3.35mm x 2.48mm
USD 8.60
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ID: 2800365 pcs
1.02ctw Iolite
5.12mm x 3.16mm x 2.14mm
USD 6.12
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ID: 4126714 pcs
2.34ctw Iolite
7.75mm x 4.76mm x 3.14mm
USD 46.80
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ID: 2796476 pcs
2.88ctw Iolite
6.04mm x 3.91mm x 2.62mm
USD 34.56
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ID: 4308081 pcs
0.59ct Iolite
6.78mm x 5.06mm x 2.94mm
USD 11.80
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ID: 2800196 pcs
1.17ctw Iolite
5.07mm x 3.14mm x 2.46mm
USD 7.02
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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