alchemy: realgar (risigallum)

alchemy alchymia arsenic azoth chemical chemicals chemistry crystals deed disulphide elements elixir flowers formula great grimoire herbs hermetic hieroglyphics kabbalistic knowledge laboratory life magic matters medieval minerals mystic occult orpiment philosophers poison quintessence realgar red rejalger risigallum rissigallum ruby sandarac sandaraca sandarach sandarake sign spagyric stone stuffs substance sulphur sulphuret symbol tincture toxic transmutation vector witchcraft work zauberbuch