ulexite
Fetched 2026-10-26 (cache).
Synonyms: ulexine
Antonyms: ulexine
Related words from Datamuse; suggestions, not definitions.
Noun
- {{lb|en|mineral}} A white [[mineral]] with [[triclinic]] crystals, [[sodium|Na]][[calcium|Ca]][[boron|B]]<sub>5</sub>[[oxygen|O]]<sub>9</sub>·8[[water|H<sub>2</sub>O]], noted for its fibers which transmit light by internal reflection, such that a piece with flat faces perpendicular to the fibers' orientation displays an image of whatever is adjacent to its other side.
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.