Baidu Encyclopedia shows that Luodian County, Qiannan Prefecture, Guizhou Province is rich in white marble, and the white marble needed to build palaces and imperial tombs during the Ming and Qing Dynasties was produced in Luodian County, Qiannan Prefecture, Guizhou Province.
White marble was originally named Fangshan Jade, and its stone phase is jade white with spots or textures.