Natural colored stones: Shoushan stone, Tian Huangshi, Qingtian stone, bloodstone, Wuhua stone, Changbai stone, Duanshi, Shitao, Songhua stone, Yuhua stone, Balin stone, Helan stone, Chrysanthemum stone, Ziyun stone, Qingshan stone, Yanzishi Fossil fossil, Mangshi, Hongsi stone, Taihu stone, feldspar stone and serpentine stone.