Learn how to choose the right size of crushed stone or gravel for your project with this comprehensive guide and chart. Compare the uses, sizes, and grades of differ. Material Specifications SWB - ROCK • Sou th w estB ou ld Name: Crushed Stone - Construction Grade Description: G r a n i t i c r o c k c r us h e d a n d s c r e e n e d t o s i z e . May 1,  · A comprehensive quarry stone crushed stone size chart provides guidance on selecting the appropriate stone sizes for various projects, ensu