Supplementary Table 1B: Approximate mineralogical composition of concentrate and tailing of the phospahte ore.

Constituent Samples
Concentrate Tailing
Wt%
P2O5 (Fluroapatite) 80 < 10%
SiO2 (Quartz/Clay) 5 80
CaO 7 2
MgO 0.3 2.48
F 3.1 -
SO2 1.8 -
CO2 2.2 -
RE2O3 826 ppm 304 ppm
Other Dolomite