The Three Stages of the Coniunctio

Gerhard Dorn’s threefold architecture of the coniunctio is the scholastic apparatus through which Jung organized the whole argument of [[jung-mysterium-coniunctionis|Mysterium Coniunctionis]]. The opus proceeds in three distinct stages, and the integration of each stage is the precondition of the next.

The first stage is the unio-mentalis — the separation of the spirit and soul from the body, followed by their reunion with each other on the plane of mind alone. This is the philosophical-meditative phase; Dorn calls it the overcoming of the body by mental union (Jung 1955, §663). On its own it produces only “the mental disciple of wisdom,” not the wise man.

The second stage is the union of the achieved unio mentalis with the body — the return of the integrated mind-spirit to its material seat. The mediating substance is the substantia-coelestis, the caelum, the heavenly quintessence that alone can bind the first stage back to the flesh. Jung’s reading: “Dorn solved the problem of realizing the unio mentalis, of effecting its Jungian with the body, thereby completing the second stage of the coniunctio” (Jung 1955, §758).

The third stage is the unus-mundus — the union of the recomposed person with the one world, “the potential world outside time” (Jung 1955, §663). This is the final coniunctio, the integration with the unitary ground of being that, for Jung, is the psychological meaning of the lapis and the formal structure of synchronicity.

Von Franz, in Alchemy: An Introduction, traces the same arc through the imagery of the Aurora Consurgens: the successive chapters begin in nigredo and end in albedo as the author, by repetition, digests an invasion of archetypal content (von Franz 1980, pp. 204–205). Dorn supplies the philosophical scaffolding; the Aurora supplies the lived evidence. The three stages are not a ladder one climbs once. They are a circulation — opus circulatorium, the uroboros — through which the self is produced.

Sources

• carl-jung: the three stages as the architecture of Mysterium Coniunctionis (1955, §§663, 758)
• gerhard-dorn: the original threefold formulation of mental-bodily union
• marie-louise-von-franz: the circular process in the Aurora Consurgens (1980)
• edward-edinger: the three stages of the coniunctio as a diagram of psychological development (1995)