ITEM

RANGE

                   RESULT

SiO2

69.00-74.55%

73.05

Al2O3

11.22-14.99%

12.69

CaO

0.44-0.51%

0.49

MgO

2.53-2.70%

2.63

K2O

1.62-1.96%

1.83

Na2O

         3.03-3.19%

3.13

Fe2O3

2.50-2.70%

2.60

FeO

0.02-0.04%

0.03

MnO

0.00%

0.00

TiO2

0.11-0.15%

0.13

P2O5

0.05-0.08%

0.06