L.O.I (%)

Na₂O

MgO

Al₂O₃

SiO₂

P₂O₅

K₂O

CaO

TiO₂

MnO

Fe₂O₃

Sample

21.0

5.396

2.496

12.087

46.202

0.046

2.345

1.607

1.413

0.062

7.366

Sample 1

17.7

5.166

2.55

11.026

49.683

0.083

2.265

3.318

1.417

0.063

6.759

Sample 2

17.599

5.542

3.583

11.099

50.339

0.036

2.741

1.489

1.202

0.051

6.751

Sample 3

16.300

5.667

2.939

13.319

49.508

0.047

2.411

2.004

1.29

0.054

6.909

Sample 4

17.350

5.813

2.903

12.132

44.153

0.034

2.351

1.562

1.331

0.055

7.100

Sample 5

15.25

3.944

3.009

9.263

52.637

0.127

1.927

1.144

1.274

0.058

5.889

Sample 6