Chemical Properties of MICA

 

Muscovite Mica : 
KAl2(Si3AlO10)(OH,F)2

 

1

Silica (SiO2)

45.57%

2

Alumina (Al2O3)

33.10%

3

Potassium Oxide (K2O)

9.87%

4

Ferric Oxide (Fe2O3)

2.48%

5

Sodium Oxide (Na2O)

0.62%

6

Titanium Oxide (TiO2)

Traces

7

Calcium Oxide (CaO)

0.21%

8

Magnesia (MgO)

0.38%

9

Moisture at 100 C

0.25%

10

Phosphorus (P)

0.03%

11

Sulphur (S)

0.01%

12

Graphitic Carbon (C)

0.44%

13

Loss on ignition (H2O)

2.74%

 

Phlogopite Mica :

KMg3(Si3AlO10)(OH,F)2