Undoubtedly, one of the main characteristics of lapis lazuli is its ultramarine blue color, which was already used as a pigment to dye fabrics in the Middle Ages. To this day, it can be found mainly in the western Hindukush Mountains (Afghanistan), Lake Baikal (Russia) and the Chilean Flor de los Andes deposit. You have all the information in: «List of the most precious rocks and minerals on the planet«.
You have all the information in: "List of the most precious rocks and minerals on the planet".