Abstract: Karst cave minerals are products of hypergene chemical deposition under the action of groundwater. Some secondary cave minerals have been found in Guilin areaGncluding the Xingan-Guilin-Yangsuo terrain),such as calcite, aragonite, gypsum, hydroxyapatite, variscite, taranakite, woodhoseite and half-opal. The determination results of all these minerals obtained by using polarizing microscope, chemical analysis, X-ray powder diffraction, DTA and scanning electronic microscope are listed and the geneses of the ...