The scale of jade production was increasingly expanding during this period. Variety and quantity of jades for daily use, furnishing, wearing and appreciation reached a level never seen before. Jade collection was very popular in various communities. Each dynasty had their own styles. Jades of the Yuan exhibited a style of simple and plain. Jades of the Ming were vigorous and sturdy, often imitating antique jades. Jade of the Qing seemed to be more elaborate and delicate in style.