Table 1.

Results of the X-ray fluorescence chemical analysis of Nurse’s A and silicocarnotite synthetic powders.

Chemical Analysis (wt %)	Ass	Sss
CaO	59.8	57.9
SiO2	18.3	11.9
P2O5	21.5	30
MgO	0.064	0.062
Al2O3	0.084	0.066
Na2O	0.038	0.028
K2O	0.007	0.005
Fe2O3	0.036	0.032
TiO2	0.024	0.007
MnO	–	–