Ulexite seems to bring words to the surface. Placed over a printed line, it carries the image along its fibers and makes it visible on its upper face, like a message entrusted to thousands of parallel threads.
This natural property gives it a clear place in symbolic work: transmitting without distortion, distinguishing what is seen from what is imagined, and carrying words to their recipient. Its mineral softness nevertheless calls for gentle handling and dry storage.
To place this stone among related minerals, compare it with Angelite, Erionite, and Jeremeyevite.
The White Borate of Salt Lakes
Ulexite is a hydrated Sodium and Calcium borate, with the formula NaCaB5O6(OH)6·5H2It forms in arid basins where boron-rich waters evaporate and deposit Borax, Colemanite, Gypsum, and other salts.
The Handbook of Mineralogy describes its fibrous aggregates, white masses, and low hardness. Water is part of its structure, but hot water can alter it: the stone’s gentle appearance therefore does not mean that it tolerates washing.
Georg Ludwig Ulex and the Television Stone
The mineral was named after the German chemist Georg Ludwig Ulex in the 19th century. Its English nickname, television stone, appeared much later, when its image-projection ability was studied and demonstrated to the public.
This historical shift is significant. Ulexite is not an ancient stone of vision: it has become the modern emblem of genuine optical transmission. Its symbolic power arises from a phenomenon that anyone can verify with a printed text and a polished cut.
An Image Carried by the Fibers
The parallel fibers conduct light through internal reflection. A face cut perpendicular to the fibers receives the image placed beneath it and reproduces it on the other face. The Institute of Making at University College London presents this as functioning much like a bundle of natural optical fibers.
Ulexite does not guess anything: it carries what is truly entrusted to it. It thus becomes a stone of mediation, accurate quotation, and preserved messages.
Mercury, Moon, Air, and Water
Mercury governs messages, writing, relays, and linguistic precision. The Moon receives an image and sends it back. Air corresponds to the circulation of information; Water recalls the flexibility of passage and the mineral’s hydrated component.
Wednesday is suitable for correspondence, study, and transmissions. Monday accompanies dreams that one wishes to record without embellishing them. White, silver, and pale blue form a palette attuned to its diffuse light.
Transmission, Verification, and Faithful Speech
Ulexite accompanies the preparation of a delicate message, the repetition of a quotation, the transmission of an instruction, and the verification of an account. It encourages separating the observed fact, the interpretation, and the conclusion.
In divinatory work, it is not used to predict the future. It helps formulate the question and copy the answer without adding what one hoped to hear. This discipline makes it an ally for dream journals, dated readings, and written commitments.
The Rite of the Unaltered Message
Write a short sentence on a strip of white paper. Place the polished Ulexite on it and observe the words rising to its surface. Read the sentence aloud again, without commenting on it.
Remove the stone, fold the paper toward you, and slip it into an envelope. Say: “What leaves me arrives without distortion.” Then send the message, or keep the envelope with the relevant file until the words can be spoken.
Correspondences and References
| Reference | Correspondence |
|---|---|
| Nature | Hydrated sodium and calcium borate |
| Natural Image | Parallel fibers that transmit an image |
| Celestial Bodies | Mercury and Moon |
| Elements | Air and Water |
| Days | Wednesday and Monday |
| Ritual Colors | White, silver, and pale blue |
| Areas | Transmission, writing, verification, faithful memory |
| Ritual Gesture | Entrust a phrase to the stone, then send it without altering it |










































