This document, published by the 3M Building and Commercial Services Division, details two different methods for polishing marble. One, a method in which oxalic acid is used to chemically alter the surface of the marble, is very close to the process…
This size comparison shows just how different kouroi can be, ranging in size from less than life-sized to monumental at over ten meters tall. Most served some sort of religious purpose, either as a votive offering or as a grave marker. Each kouros…