The jewels are to be twelve in number, for the names of the children of Israel; every jewel having the name of one of the twelve tribes cut on it as on a stamp.
And looking, I saw four wheels by the side of the winged ones, one wheel by the side of a winged one and another wheel by the side of another: and the wheels were like the colour of a beryl stone to the eye.
And his body was like the beryl, and his face had the look of a thunder-flame, and his eyes were like burning lights, and his arms and feet like the colour of polished brass, and the sound of his voice was like the sound of an army.