I'm glad you got something out of it! I would like to suggest that you check out the Self-Initiation Rite that I crafted for the Ordo Luciferi. It's an Open Source Esoteric Order so it's essentially for anyone to utilize as they wish with no obligations. I intentionally designed the rite to symbolically have a person go through the full alchemical process. You can check it out here: http://ordo-luciferi.org/incipio

Recombining the three purified principal elements is the stage of Cohobation and is how you achieve the Great Work of manifesting the Quintessence. The final stage afterwards makes use of that Quintessence. The seven stages I mentioned such as Putrifaction refer to processes. The Cintrinitas isn't one of these stages, but is more like an indicator of what stage you're at. These indicators include Nigredo, Albedo, Citrinitas, and Rubedo. I hope that helps!