This blue crystal ball offers you an alternative to the traditional clear crystal ball, providing an interesting option for your divination and readings. Blue is the color of the element of water, and is often associated with creativity, thought, and serenity, making this particular crystal ball of wonderful use for seeking inspiration, new ideas, and ways to bring peace and calm into your hectic life. Measuring 50mm, or approximately 1 7/8", in diameter, it is made of 60% leaded glass and 40% crystal.