The Legendary Emerald Tablet | Ancient Origins October 29, 2015 by Hālau ʻĀha Hūi Lanakila in Hermetic Alchemy, House of RA, Newsletter, The Mysteries and tagged alchemical principles, alchemy, Alexandria, ancient Egypt, Emerald Tablet, Golden Dawn, hermetics, Thoth, Western Mysticism | 1 Comment The origins of Western alchemy can be traced back to Hellenistic Egypt, in particular to the city of Alexandria. Source: The Legendary Emerald Tablet | Ancient Origins