Figure 6From: Research on the modification of two traditional building materials in ancient ChinaComparative XRD spectra of calcined Aga soil at 1000°C after 5 day’ hydration and 300 days’ hydration (1-CaCO 3 ;2-CaO;3-Ca(OH) 2 ;4-β-CaSiO 3 ;5- Ca 2 Al 2 SiO 7 ;6-β-CaSiO 3 · nH 2 O;7- Ca 2 Al 2 SiO 7 •nH 2 O).Back to article page