The Name Iolite comes from the Greek word ‘ios’ means Violet. Iolite is Violetish Blue in color. Iolite is called ‘Kakaneeli’ in Hindi, also called ‘Neeli’ at times. Iolite shows strong Pleochroism; Iolite shows three distinct colors (Violet – Yellow – Colorless) in different directions (Trichroic). Iolite has hardness of 7 – 7.5 on Moh’s scale. Refractive index (RI) ranges from 1.542 – 1.551 & Specific Gravity (SG) is 2.61. Iolite stones usually have good transparency. Iolite can be good substitute for Blue Sapphire & Tanzanite at much lesser price. Shubh Gems deals in high quality Stones. Buy Iolite stone online or visit Shubh Gems exclusive store in New Delhi in India at Shubh Gems, New Delhi or order Iolite stone online from anywhere. Shubh Gems, India delivers Certified Natural Iolite stone without any delivery charges.