Yellow Essence -. name

Liquid Pearl here is a synonym for mercury obtained by refining cinnabar see Shiyao erya, i.ib. The terms Frost and Snow too are part of several secret names for refined mercury. Yellow and White usually denotes gold and silver, and the reason for its mention in relation to the Essence of Lead is unclear to me. In a description of the method for making the Mysterious and Yellow, the Jiudan jingjue, 12.1b, has White Snow (baixue) instead of Yellow and White this reading may be preferable. 

Lead in Nine Cycles and the Mysterious Pearl ( Jiu danqian xuanzhu fa outlined in an identical way in both chapters. The product of the conjunction of the pure essences of Yin and Yang has no name, but is equivalent to the Mysterious and Yellow of the Scripture of the Nine Elixirs-, li e the Mysterious and Yellow, moreover, one can place it in a crucible above and below the ingredients of an elixir. These methods come from the Fu xuanzhu jue. Other complementary processes are those for ma ing three elixirs based on mercury or lead. With the first, one can rise to heaven, with the second, one obtains power over gods and demons, and with the third, one can transmute other metals. These methods come from the Wujin fen tujue. ... 

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