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The differences between “green garnet ” and red garnet sand

The differences between “green garnet “and red garnet sand

Both “Green garnet” and  red garnet sand are from underground,natural minerial order,both are mainly for sandblasting and waterjet cutting.

In fact,”Green garnet” is not garnet sand,it is Omphacite.

Now we mainly talk about the differences between them.

Red garnet sand

Garnet sand 80-120mesh
Garnet sand 80mesh

Specification of red garnet sand

Chemical compostion

Silica SiO234-40%
Iron(Fe2O3+FeO)25-31%
Alumina Al2O317-21%
Magnesium MgO5-6%
Calcium CaO5.0-10.0%
Manganese MnO0-1.0%

Mineralogical Content

Almandine garnet 97-98 %
Quartz ≤0.2%
Ilmenite ≤0.5%
Others ≤0.1%

“Green garnet”,in fact Omphacite

Omphacite 20-40mesh
Omphacite 20-40mesh

Specification of “Green garnet”,in fact Omphacite

Chemical compostion

SiO254-58%
Fe2O3+FeO 3-5%
Al2O312-14%
MgO5-7%
CaO8-11%
MnO0-1%
Na2O​6-8%

Mineralogical Content

Omphacite >85%
Almandite Garnet<15%
Ilmenite<0.5%
TiO2<0.5%

 

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