The stony meteorite, which fell to the ground about 51/2 miles northeast of Benoni Central, Transvaal, in July 1943, weighs 8.62 lbs. and is made up of 73.99 percent silicates (mainly olivine and bronzite), 18.95 percent nickel-iron, 5.8 percent troilite, and 1.12 percent accessories. Source