alchemy: salt (sal)

alchemy alphabet salt sal terrae maris commune three primes rock sea regular chemical formula nacl medieval sign mystic hieroglyphic symbol paracelsus alchymia spagyric chemistry occult magic hermetic sorcery witchcraft wizardry philosophers stone laboratory elixir of life great deed grimoire transmutation chrysopoeia tetrasomata synthesis quintessence magisterium prima materia lapis philosophorum zauberbuch substance elements minerals matters stuffs principal fundamental essential