Circles of semi-precious stone, called bi discs, were being made in China as early as 5000 B.C. The square opening in the center symbolizes a gateway to the afterlife. This ancient shape is handmade from beautiful red jasper and polished to a shine. This will be an eye-catching room accent and a compelling conversation piece for a home study or office. Handmade. Polished red jasper stone. Black lacquered iron stand disassembles. 8" diameter disc. 10 1/2" high. 2 1/2" thick. Disc thickness may vary.