Thailand: safir, rubi, zirkon dan spinel. India: Rubi, safir, zamrud, aventurine dan garnet. Cina: Giok Hetian (Xinjiang), Giok Dushan (Nanyang, Henan), pirus (Yunxian, Hubei), Xiuyu (Xiuyan, Liaoning), Giok selatan (Xinyi, Guangdong), Guarglv (Guangning, Guangdong), Giok bunga plum (Ruyang, Henan), perunggu (yang, Guangdong). Itu juga menghasilkan berlian, Rubi, aquamarine, kristal, peridot, amazonit, batu topas, ekstrak batubara, […]
