Magnum opus
Also: Great Work
The 'great work' of an alchemist, often the long process imagined to yield the philosopher's stone. Texts do not agree on one recipe or sequence.
Reference · Glossary
Glossary
A guide to the words used across this site and in the texts behind it. Definitions describe historical usage, not proven supernatural effects. A term may mean different things in different traditions; the tradition label tells you which sense is meant here.
Looking for a sign rather than a word? Symbols draws the signs of astrology, alchemy and geomancy and links each to what this study says about it.
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Mercury in alchemy
A metal and a recurring theoretical or symbolic term in alchemical writings. Context matters: an author may mean the material, an imagined principle or a coded ingredient.