Not for sale. According to official website's inquiry, Linxia Jewelry is a regular jewelry store, which strictly controls the supply of goods, strictly tests and appraises every piece of jewelry sold, and does not sell dangerous goods or any other fake and shoddy goods. The dangerous substance is a jadeite produced in Guatemala. Its characteristics are similar to those of Burmese jadeite, but its quality is worse than that of Burmese jadeite.