Card Trivia:Black Process - Negledo


 * Nigredo, or blackness, in alchemy means putrefaction or decomposition. The alchemists believed that as a first step in the pathway to the philosopher's stone all alchemical ingredients had to be cleansed and cooked extensively to a uniform black matter.


 * Further steps of the alchemical opus are albedo (whiteness), citrinitas (yellowness) and rubedo (redness).