2. From the appearance, there is a kind of jade similar to it, that is, red silkworm stone. Red silkworm stone is quite rare in China, but it is the "national stone" of Afghanistan, representing luck, health and perseverance. It is said that it has a balanced and stable effect and can help people with bad temper to keep calm.
3. Dust beads are the core and the most mysterious treasure in the whole series of ghost blowing lamps. The ultimate goal of Hu Bayi, Yang Ping and their predecessors is to find the dust beads. In the novel, the dust bead is a very powerful artifact, which can make ordinary people thoroughly remould themselves. The final location of the dust bead is the tomb of Wang Xian, Yunnan. Ancient emperors couldn't cultivate immortality without a dust, and this time the iron triangle was looking for a dust not to live forever, but to avoid premature death and unlock the curse.