Data for manuscript "Abiotic formation of 13C-depleted graphitic carbon during serpentinization"

Data for manuscript "Abiotic formation of 13C-depleted graphitic carbon during serpentinization", including Table 1 (Carbon geochemistry of variably serpentinized harzburgite rocks from the north Qilian), Table S1 (Major element compositions (%) of variably serpentinized harzburgite rocks from north Qilian), and Table S2 (Oxygen isotope compositions of serpentine and magnetite in serpentinite from north Qilian).