Qz-L1_LIBS_spectra.csv and Qz-L1_Raman_spectra.csv contain the raw spectral data of Qaidam quartz stone vertical line 1 measured by LIBS and Raman spectrometer, respectively. Qz-L2_LIBS_spectra.csv and Qz-L2_Raman_spectra.csv contain the raw spectral data of Qaidam quartz stone vertical line 2 measured by LIBS and Raman spectrometer, respectively. Qz-L3_LIBS_spectra.csv and Qz-L3_Raman_spectra.csv contain the raw spectral data of Qaidam quartz stone vertical line 3 measured by LIBS and Raman spectrometer, respectively. Qz-L4_LIBS_spectra.csv and Qz-L4_Raman_spectra.csv contain the raw spectral data of Qaidam quartz stone vertical line 4 measured by LIBS and Raman spectrometer, respectively. Qz-oval-outlines_LIBS_spectra.csv contains the raw LIBS spectral data of nine oval outlines (140 spots) on the top, side, and bottom of Qaidam quartz stone. Qz-random_LIBS_spectra.csv contains the raw LIBS spectral data of 68 random spots on Qaidam quartz stone.