A square stone block. In Freemasonry it represents the Mason and his spiritual advancement. There are two kinds, the rough ashlar and the smooth ashlar. It is also symbolic of the alchemicalPhilosopher's Stone, a representation of inner transformation as a result of spiritual work.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...