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/juˈlɛkˌsaɪt/ · noun
(mineralogy) A white mineral with triclinic crystals, NaCaB₅O₉·8H₂O, 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..
Use ulexite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ulexite means (mineralogy) A white mineral with triclinic crystals, NaCaB₅O₉·8H₂O, 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..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use ulexite where its definition matches the intended context.
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