Agate is the most creatively striped gemstone that occurs naturally in nature. This type of quartz is highly valued and makes beautiful Go stones to play with. The colors are especially bright and the luster is especially smooth. They carry a nice heft and feel solid between the fingers.

• There are 181 black and 180 white stones in the set.
• Stones are double convex size 28 and measure 7.5mm thick by 22.5mm wide (5/16'' x 7/8'').
• Care instructions: Clean with warm water, mild soap and cloth. Avoid chemical and ultrasonic cleaners. Agate stones do not neat to be oiled.
• These stones will fit Japanese and Chinese standard sized Boards.