Specification of Garnet

Chemical Composition 

Silica SiO2    

37.2%

Iron (Fe2O3+FeO)

33.22%

Alumina Al2O3 

20.59%

Magnesium MgO

6%

Calcium CaO   

2%

Manganese MnO

0.64%

Titanium TiO2 

0.25%

Physical Characteristic

Specific Gravity      

4.10 g/cm3

Hardness  

7.5+ (moh Scale)

Chloride Content Less than

25 ppm

Bulk Density

145 lb / ft3

Colour   

 Reddish Pink, Reddish Brown

Acid Solubility (HCL)  

Less than 1%

Conductivity Less than 

125 µs /cm

Melting point 

1,300 °C

Grain Shape 

Sub angular

Mineralogical Composition 

Almandite Garnet 

93 - 98%

Ilmenite Less than

2%

Quartz (free silica) Less than 

1.0%

Others Less than   

0.5%

Packing    

As per requirement