3.75x5.25x1.25" deep hinged lid box carved out of solid black onyx (no other colors or streaks). Made in Florence, Italy and has "Made In Italy" foil sticker on underside. Lid has 1.5x2-1/8" inlaid area w/two natural ruby crystals encapsulated by zoisite, a green mineral that can also be found in a purple variety that is known as tanzanite. The rubies measure .75x1" and 7/8x1". The rubies come from Arusha, Tanzania and display a subtle shimmer effect, similar to that of cat's eye. Exc.