The Ultimate Buying Guide to Crushed Stone and Gravel
#57 crushed stone can be made of different rock types (granite, limestone, basalt, etc.), with limestone being the commonest. It has relatively coarse particles with diameters of ¾" to 1." The name 57 refers to the size of the screen used to sift the stone. Crushed stone #411 #411 is a mixture of larger, fine, and dust particles.