Iolite is the beautiful stone that is named by the Greek people tells about the history of Greek period. Iolite is the Greek word which is the translation of violet. Viking era is the history book that contains the information of this gemstone. Thin sheet of iolite was used as a stone for direction-finding by ancient mariners because of high intensity and ultraviolet radiation of sun they cannot see it directly through naked eyes. One of the unique properties of this gemstone is that it disperses or scatters the light in different directions when incident at different angles.
The most important thing which should be remember is that ultrasonic cleaner or steam cleaner should not be used to clean these gemstones because they will damage the gemstones, therefore it is advisable to use toothbrush or the piece of cloth dipped in warm soapy water to clean the gemstone. Iolite is not only used to make ornaments but also they are used as natural powers to destroy the affect of the evil things. Different shades of iolite such as yellow, red, light blue, purple etc are available in the market place. White gold, silver or platinum is used to cover this precious gemstone. Iolite has the deep impact in the Greek history.