The vivid, clear cobalt blue and the beautiful, striking neon glow of the Hauyne are impressive. This rare stone is only found in the Eifel region of Germany, and due to the fact that it is hardly commercially mined, its rarity is even higher. MYACALE products are all one-of-a-kind, making each ring the only one of its kind in the world. It is flawless and beautiful. A certificate of authenticity and box are also included. The third image is a wearing example. Size: 10 Color: Blue #myacale #myacale #ahkah #agate #ete For those who like these brands.