### CORRELATION BETWEEN BOND WORK INDEX AND

CORRELATION BETWEEN BOND WORK INDEX AND MECHANICAL PROPERTIES OF SOME SAUDI ORES Gamal S. Abdel Haffez KAU, Jeddah, KSA magnetite, granite, feldspar and quartz were tested for hardness, abrasion, compressive strength and modulus of elasticity,,and the work index is estimated. The Bond's standard ball mill is used to determine the work