Table 1: Chemical analysis of the sample ore by X-ray fluorescence (XRF).
No: components wt% No: components wt%
1. SiO2 34.4098 11. MnO 0.2559
2. SO3 25.1818 12. P2O5 0.0924
3. Fe2O3 17.3137 13. PbO 0.0600
4. Al2O3 9.3921 14. Br 0.0466
5. CaO 3.7806 15. CuO 0.0396
6. As2O3 3.0945 16. Cr2O3 0.0355
7. K2O 2.8253 17. NiO 0.0171
8. MgO 2.6939 18. ZrO2 0.0110
9. TiO2 0.4043 19. SrO 0.0088
10. ZnO 0.3372