Pierre cordierite, As the stone of Athena, frequently found under the name of iolite (from the Greek ios which means "violet"), but also "violithe", "water sapphire",also called "Viking stone" or "compass stone".
Like topaz, blue sapphire and tanzanite, cordierite stone is one of the most prized transparent blue gemstones.
It's the stone of power,The stone is particularly distinguished by its bluish shades, with vitreous to matte chips. This is explained by its composition made of aluminum, iron and magnesium. But from its deep pleochroism arise multiple variations of yellow and purple. The crystals can reach up to 18 cm and have a very strong polychroism.
Pierre cordierite using in the space,it can releases tension and fear,help chase away negative thoughts and invite self-confidence,Increases the feeling of security ,holds a very positive influence on anxiety and emotions, balance the spirituality.