Thailand: safir, rubin, zircon and spinel. India: rubies, sapphires, emeralds, aventurine and garnets. China: Hetian jade (Xinjiang), Dushan jade (Nanyang, Henan), turcoaz (Yunxian, Hubei), Xiuyu (Xiuyan, Liaoning), Southern jade (Xinyi, Guangdong), Guanglv jade (Guangning, Guangdong), Plum blossom jade (Ruyang, Henan), malachite (yang, Guangdong). It also produces diamonds, rubies, acvamarin, crystals, peridot, amazonite, topaz, coal extract, […]
