Average Chemical Composition (Typical)

Al2O3 18.06%
Fe2 O3 29.5% 
Si O2 37.77% 
Mg O 4.75% 
CaO 9% 
Ti O2 1.0% 
P2 O5 0.05% 
Mn O 0.5% 
Zr O2 Traces 
CHLORIDE CONTENT Less than 25ppm 
SOLUBLE SALTS Less than 100 ppm 
PH OF AQUEOUS MEDIUM 6.93
GYPSUM CONTENT Nil 
MOISTURE CONTENT Less than 0.5% 
CARBONATE CONTENT Traces 
LOSS ON IGNITION Nil 
METAL CONTENT Traces 

OTHER CHARACTERISTICS

Crystal System Cubic
Habit Trapezohedron
Fracture  Sub-Conchoidal 
Durability Very good  
Free Flow 90% Minimum 
Susceptibility to Acid None 
Moisture Absorption Non Hygroscopic, Inert. 
Magnetism Very Slightly Magnetic 
Conductivity Less than 25 Microsiemens per Meter 
Radio Activity Not Detectable above background 
Pathological Effects None 
Free Silica Content None 

Mineralogical Composition

Garnet (Almandite) 97-98%
Ilmenite 1-2%
Quartz <0.5%
Others 0.5%

PHYSICAL CHARACTERISTICS

Specific Weight 4.1 g/cm3
Average Bulk 2.4 g/cm3
Hardness 7 (Mohs Scale)
Mesh Size MM 16/30 MESH 20/40 MESH 20/60 MESH 30/60 MESH 40/60 MESH 80 MESH
14 1.40            
16 1.18 0-5   0-1      
18 1.00 10-20          
20 0.85 20-35 0-5 0-5 0-1    
30 0.60 20-35 30-60 10-25 0-10 0-5  
40 0.43 0-12 35-60 25-50 10-45 40-65 0-5
50 0.30   0-18 25-45 40-70 30-50 0-50
60 0.25   0-5 0-15 5-20 10-20 15-50
70 0.21       0-10 0-7 10-55
80 0.18     0-5 0-5   5-40
90 0.16           0-15


Please fill in the following form to contact us

超碰av在线