product

Muscotive(silver mica, white mica)

Chemical formular

Kal2(Si3AlO10)(OH.F)2

Chemical composition

SiO2:45.2%, Al2O3:38.5%, K2O:11.8%, H2O:4.5%, Na, 

Ca, Mg, Ti, Cr, Mn, Fe, F:a little

specification

6-10, 10-20, 20-40, 40-60, 60-80, 80-100, 150, 200, 325, 

400, 600, 800mesh or as per client’s request

appearance

colorless & transparent, but most of them is contaminated 

with green, brown, yellow or pink etc., glassy luster, 

cleavage surface:pearly luster

transparency

71.7-87.5%

Moh’s hardness

2-2.5

elasticity

(1475.9-2092.7)x106Pa(15050-21340kg/cm2)

exfoliation

About 10

definition

Mica(glimmer) belongs to aluminum silicate minerals with 

continuous layered tetrahedron structure of silicon oxygen .

Chemical 

composition

SiO2 %

Al2O3 %

K2O %

H2O %

MgO %

muscovite

45.2

38.5

11.8

4.5

phlogopite

38.7~45

10.8~17

7~10.3

0.3~4.5

21.4~29.4

Physical 

properties

transparency

hardness

Coefficient of elasticity 

106Pa

muscovite

71.7~87.5%

2~2.5

1475.9~2092.7

phlogopite

0~25.2%

2.78~2.85

1394.5~1874.05

Products 

specification

1-6mesh, 6-10mesh, 10-20mesh, 20-40mesh, 40-60mesh, 60-80mesh, 

80-100mesh, 150mesh, 200mesh, 325mesh, 400mesh, 600mesh, 

800mesh, 1250mesh or as per client’s request

feature

Stable physical & chemical properties, acid & alkali resistance, insulative, 

high temperature resistance, shiny, good heat resistance, elasticity and 

tenacity

application

Widely used in construction, fire protection, welding rod, plastic, electric insulation, 

papermaking, rubber, pearl pigment, well drilling industry etc.  

packing

25kg/bag or as per client’s request