Jade A cargo beads are jadeite polished into beads by jadeite, and luminous beads usually refer to fluorescent stones and luminous stones. It is formed by the initial magma eruption to the later geological movement, and some luminous substances in the earth are processed and stones containing these luminous rare elements, which is also known as the night pearl. But I don't know which one is precious. Ask in www.hao5888.com.