Yichang agate is characterized by multicolour , complicatedshape and a great variety. The main varieties, such as sardonyx and landscape agate, are possessed ofcommerical value.

• 其玛瑙品种繁多，色彩艳丽，形态万千，主要品种如缠丝玛瑙、宜昌风景石等极富商用价值。