Kyanite is a relatively new gemstone, having been revealed during the nineteenth century; the greatest popular color being the lovely cornflower or blue-green hue. It does exist in other colors such as yellow, white, gray, and a very rare variety that is totally colorless. Green Kyanite is a perfectly rare polymorph that displays two hardness values inside one gemstone; this is an exclusive characteristic of any gemstone. Similar to Diamond, Kyanite has flawless cleavage in one direction. This combined with its variable harness, creates this stone fairly a challenge to cut. It has a specific gravity ranging from 3.53 to 3.68. It sinks in all communal heavy liquids. Refractive index ranges from 1.710 to 1.734. Green kyanite has a vitreous luster. Kyanite varieties have a flexible hardness. The long minerals have a Mohs hardness of around 4.5 to 5, if measured parallel to the extent of a crystal. It shows a hardness of 6.5 to 7 if measured across the short phase of a crystal.
Green Kyanite is a silicate rich in alumina. It occurs as an extended and tabular form. It also occurs as flat, bladed mineral in various rocks. Kyanite is moreover recognized as disthene which means ‘double strength.’ It has a different hardness in three diverse crystallographic directions. This is an important characteristic feature of the mineral. These minerals have a basic chemical structure of Al2SiO5. These three have the same chemical properties but different physical traits. Kyanite forms in the greater pressure values, sillimanite forms in high temperature, and andalusite forms in low-pressure conditions. Green kyanite is found in metamorphic rocks and sometimes in sedimentary rocks as an aggregate of weathered materials.
Kyanite has properties that are well suitable for the creation of high-refractory strong point porcelain. Conversant usage of this kind of porcelain is the white porcelain padding on a spark plug. Kyanite is furthermore used in several of the more communal forms of porcelain. It is used to make dentures, sinks, and bathroom fixtures. It is also used in the motorized and railroad businesses where heat resistant products are significant.
In healing, this stone is used to treat numerous ailments of the neck. It is moreover believed to treat hearing problems, eye ailments, as well as any subjects that deal with the sense of smell. It is an outstanding stone for reinstating the body’s balance. It channels energy through the human body. It acts as a bridge which not only connects energies but also creates new pathways to generate energies. It is said that Green Kyanite also has a positive effect on the nervous system.
Many people possess it as it never accumulates any negative energy. It is believed that possession of Kyanite heals a person physically, mentally and spiritually.