Element KeV Mass% Error% At% compound Mass % cation K OK 0.525 4 0.47 64.86 51.5784 AlK 1.486 0.82 0.23 0.62 0.7040 TiK 4.508 0.45 0.46 0.19 0.4401 Sik 1.739 43.77 0.28 32.90 43.7741 FeK 6.398 0.42 080 0.15 0.4174 Total   100.00   100.00

Table 3: Elemental analysis of yellow sand brfore milling.