One Tumble as shown in pics will be sent on order .The Name Iolite comes from the Greek word ‘ios’ means Violet.
You can read about iolite sunstone here and about iolite here
Sunstone comes as shimmers in iolite which can be seen under sun
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 can be good substitute for Blue Sapphire & Tanzanite at much lesser price.