text: Magnum opus &ndash; great work of alchemy consisting of:
  *Nigredo 
  *Albedo  
  *Citrinitas (sometimes excluded)
  *Rubedo
  Alchemists also engaged in practical and symbolic processes including:
  *Calcination 
  *Ceration 
  *Cohobation 
  *Congelation
  *Digestion 
  *Distillation 
  *Fermentation 
  *Filtration 
  *Fixation 
  *Multiplication 
  *Projection
  *Solution 
  *Sublimation