Zen Pendant - Forbidden City Qin Dynasty with Red Agate. The genuine red agate is set in oxidized sterling silver. The pendant measures approximately 1 1/4 inches by 1 1/2 inches and is on a 20-inch black twisted silk cord.The Zen Collection is based on the Qin Dynasty from Ancient China in which Qin Shi Huang ruled as First Emperor of a unified China. He is regarded as a farsighted ruler who destroyed the forces of division and established the first unified centralized state in Chinese history. Qin Shi Huang is most known for commissioning the Great Wall of China and being buried with his army of Terracotta Warriors.