タイトルまたは説明

The mica group of sheet silicate minerals includes several closely related materials having highly perfect basal cleavage. Micas are white / grey flakes & powder. Mica is Silicate of Aluminium, Calcium, Magnesium Potash & iron.
Chemical Formula :*2Al**3, MgO, CaO, K*0, Si***2
Physical Properties :

Appearance : White fine powderSp. Gravity : 2.7 - 2.9%Bulk Density : 0.*4Oil absorption value : *0 to *0%PH of *0% aqueous solution :8.5Hardness : 2.5 mohsVolatile Matter : Min 1.0%Coarse particle on **0 mesh : Max. 0.5%

Mhos hardness*2: *4
Retractive Index*2: 1.*9

Chemical Composition :*2
Si*2 : *5.*0A***3 : *4.*0Fe**3 : *3.*0CaO : *0.*5MgO : *2.**0K*0 : *9.*0Hg*0 : *0.*0