This is a natural kyanite, a gemstone with a deep blue colour. It has a rectangular shape, dimensions of 8.10x5.90 mm, and weighs 1.80 carat. The stone has visible inclusions and fractures that give it a natural appearance. It has not undergone any treatment. It comes from Nepal, a country known for the quality and variety of kyanites. Note: The stone is chipped.
Blue kyanite is a mineral of the silicate group with the chemical formula Al2SiO5. It is formed under high pressure and temperature conditions in metamorphic rocks such as gneiss or shale. Kyanite has a deep blue colour that can vary from light to dark, depending on the impurities present. It is a crystal with energetic and spiritual properties that promote communication, mental clarity and calm. It is associated with the throat chakra and the sign of Aquarius.