Datasets for Valence/spin states of iron in peridotite glass to megabar pressure implications for dense iron-rich silicate melt at the bottom of the mantle

Datasets for Valence/spin states of iron in peridotite glass to megabar pressure implications for dense iron-rich silicate melt at the bottom of the mantle橄榄岩玻璃（peridotite glass）中铁的价态与自旋态数据集：覆盖兆巴压力（megabar pressure）条件，对地幔底部致密富铁硅酸盐熔体（iron-rich silicate melt）的研究启示