Iolite is an exclusive violet-blue colored gem variety of the mineral Cordierite. It is addressed by different other names such as ‘Water Sapphire’, ‘Lux Sapphire’, ‘Dichroite’, ‘Nili or Kakaneeli’ etc. The term Dichroite is derived from Greek work which is roughly translated as two-coloured’ gem. It refers to the Iolite stone’s unique pleochroic nature (which means the gemstone exhibits different color tones from different viewing angles).
Iolite gemstone is recognised best astrological substitute of Blue Sapphire (Neelam) but can also be great selection for making statement jewellery pieces.