Iolite
アイオライト
堇青石
Iolite
Iolite
Glossary
Thematic
Jewellery, Material
Iolite is a transparent, violet-blue, light blue, or yellow-gray mineral. Iolite is pleochroic; a single stone will show up to 3 colours (in this case violet-blue, light blue, and yellow-gray). Iolite has a hardness of 7 - 7.5 and is found in Sri Lanka, India, Madagascar and Myanmar (Burma).