Marble dust used was obtained in wet form as slurry; from marble factories as a by-product resulted from marble cutting and shaping process; therefore it was dried in an oven in the laboratory then manually sieved through sieve No. 200
Marble dust used was obtained in wet form as slurry; frommarble factories as a by-product resulted from marble cutting and shaping process;therefore it was dried in an oven in the laboratory then manually sieved throughsieve No. 200