The present paper has summarized the recent research achievements on the definition, mineralogy and geochemistry of lamproite as well as the significance of potassian richterite in the study of lamproite,and made a review on thenomenclature of potassian richterite and the method for its classification,with a detailed description given concerning mineralogical and compositional characteristics of potassian richterite in the Baifen lamproite belt, Zhenyuan area,Guizhou Province.