Arthur Allen Vanderbilt Personal commonplace and hypomnema.
The Azoth of the Philosophers
There are seven steps in the transformative processes (observe the circles inside of the rays & the activity of the birds and other creatures), both for physical Alchemy as well as spiritual Alchemy. Here is a brief list of the 7 Steps of the Emerald formula.
Joseph D. Dismore, The 7 Steps in Alchemical Transformation