Returning to the prima materia

The prima materia — from the Latin primus, first, and materia, matter or stuff — is the unnamed starting substance of the alchemical opus, the formless ground from which the entire work begins. Its most striking feature is its radical unnamability: the tradition offers lead, dew, mercury, chaos, massa confusa, dragon, black earth, the orphan, Adam, the sea, the shadow, poison, fountain, and a hundred more. Jung counted 106 names in his alchemy seminar without exhausting the list. This multiplicity is not confusion but precision — it reports a psychological fact about the unconscious at its origin. As Jung writes in Mysterium Coniunctionis:

The materia is visible to all eyes, the whole world sees it, touches it, loves it, and yet no one knows it. "This stone therefore is no stone," says the Turba, "that thing is cheap and costly, dark, hidden, and known to everyone, having one name and many names."

The paradox is structural, not rhetorical. The prima materia is simultaneously the most common thing — found everywhere, costing nothing, despised and thrown on the dung heap — and the most precious, the very substance without which the work cannot begin. Edinger gives the psychological translation directly: the prima materia is found in the shadow, in those aspects of the personality considered most despicable, most painful, most humiliating. The alchemical texts that call it "vile to the sight" and "cast on the dung-hill" are not speaking metaphorically about something else; they are describing the actual texture of what must be worked on.

What makes the prima materia psychologically irreducible is its character as pure potentiality — undifferentiated, without definite boundaries, prior to form. Edinger reads this through Aristotle: the prima materia is the state of pure hyle, formless matter, to which the opus returns the fixed and developed personality so that new form can emerge. A dream he cites makes this concrete: a patient who had recently attempted suicide dreams he is back in a hospital ward, become a child again, starting life from the beginning. The child, Edinger observes, is the prima materia of the adult — innocence as the undifferentiated state that alone is open to transformation. Fixed, developed aspects of personality allow no change; only the indefinite, fresh, and vulnerable original condition is alive to development.

Von Franz approaches the same substance from the side of instinct. The prima materia in its red-sulphur aspect is the basic instinctive drives of the personality — what must be unearthed first, because until these drives are brought up and faced, they live autonomously in a hidden corner. The alchemical instruction is not to argue with them but to cook them: to hold them in the heat of sustained attention, active imagination, or analytic work, until their essential fantasy content becomes conscious. The drive does not respond to moral admonition; it responds only to the introverted attitude of asking what it actually wants.

Jung's own formulation in Alchemical Studies names the full range of what the tradition called this substance:

The symbolical names of the prima materia all point to the anima mundi, Plato's Primordial Man, the Anthropos and mystic Adam, who is described as a sphere (= wholeness), consisting of four parts, hermaphroditic (beyond division by sex), and damp (i.e., psychic). This paints a picture of the self, the indescribable totality of man.

This is the paradox at its deepest: the prima materia is both the lowest and the highest, both the starting point and, in a certain sense, the goal. The alchemical texts themselves acknowledge this when they use prima materia and lapis philosophorum interchangeably — the end is a new beginning in the eternal circulatio. Edinger notes that this ambiguity is not confusion but a structural feature of alchemical thought: the Stone has the same multiplicity-in-unity as the original stuff, except that now it is concrete and indestructible. The beginning and the end share the same substance; what changes is the degree of consciousness brought to bear on it.

Hillman parts company with Jung and Edinger here in a way worth holding. Where Jung reads the prima materia as pointing toward the Self — toward wholeness, the imago Dei, the telos of individuation — Hillman refuses the progressive arc. For him the alchemical operations on the prima materia are not stages toward a redemptive goal but descriptions of what the soul is doing at any given moment: the nigredo is not a phase to be passed through but a permanent possibility, the separatio not a step toward integration but a way of letting substances become themselves. The prima materia is not raw material awaiting transformation into something better; it is the soul's actual condition, deserving attention on its own terms. This is where Hillman breaks most sharply with the individuation narrative — and where the question of what the prima materia is becomes inseparable from the question of what depth work is for.


  • prima materia — the unnamed starting substance of the alchemical opus, and its psychological reading
  • nigredo — the blackening, the first stage of the opus and the soul's encounter with its own darkness
  • solve et coagula — the rhythmic formula of dissolution and coagulation that governs the work on the prima materia
  • James Hillman — portrait of the archetypal psychologist whose alchemical reading diverges most sharply from Jung's

Sources Cited

  • Jung, Carl Gustav, 1955, Mysterium Coniunctionis
  • Jung, Carl Gustav, 1967, Alchemical Studies
  • Edinger, Edward F., 1985, Anatomy of the Psyche
  • von Franz, Marie-Louise, 1980, Alchemy: An Introduction to the Symbolism and the Psychology
  • Hillman, James, 2010, Alchemical Psychology