Azul Imperial is a quartzite from State of Bahia, the northeast of Brazil. It is quartzite but also has the feature of sandstone, you can find it from its background. Light blue background with dark blue veins. Bright white points along the veins, evenly dispersed on the surface. Like the sea glinted in the sun, also like the galactic galaxies in the vast universe. Mysterious and amazing.
Natural blue quartzite is rare resource, all are very popular, like Sodalite blue, Blue bahia, Azul Infinito and so on. They are high end stone, can be used as wall, floor, stairs, most be used as kitchen tops and background.