Kyanite is a rare gemstone, and it is 5% to 7% only available, gems quality in small quantity. Kashmir Blue sapphire very rare, color like same as Kashmir royal blue sapphire so called as Kashmir Kyanite is from Nepal.                      The political situation there makes it very difficult and expensive to get it to the cutters. High quality and nicely colored Kyanite can be cut into attractive and desirable cabochons and faceted stones. These are often used in rings, earrings, pendants and other jewelry. Kyanite is also used to make beads. These beads often have a flat geometry because the mineral typically occurs in thin blades.                                                                                                        Kyanite is a challenging mineral to cut because it has two distinctly different harnesses. Kyanite crystals are typically long, narrow blades. They have a hardness of about 4.5 parallel to their length but a hardness of 6.5 to 7.0 across the width of the blade. Skilled cutters are needed to work these stones.