Cordierite, sometimes called iolite, comes in various shades of purple. Its strong trichroism is visible to the naked eye and it can change color depending on the orientation of the sun. It is for this reason that the Vikings used it to find their way at sea even in foggy weather. Its play of colors according to the light makes it a very interesting stone in jewelry.

Each size indicated may have a variation of +/- 0.5mm.

The length of each wire can vary from 1 to 3cm.