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                           متالوژی:: 
                            کیمبرلیت
                        
                        (4) Kimberlite tailings: Kimberlite is the host rock for diamond.
After mining kimberlite and processing it for recovering the diamonds, huge quantities of kimberlite tailings are generated.
Hollow bricks experimentally made of 70% kimberlite and 30% clay have been reported to be promising.
 
                        
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