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ulexite

[ yoo-lek-sahyt ]
/ yuˈlɛk saɪt /
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noun

a mineral, hydrous sodium and calcium borate, NaCaB5O9⋅8H2O, occurring in arid regions in the form of white acicular crystals: a major source of borax.

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Origin of ulexite

1865–70; named after George L. Ulex, German chemist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Scientific definitions for ulexite

ulexite
[ yōōlĭk-sīt′, yōō-lĕk- ]

A white triclinic mineral that forms rounded, reniform (kidney-shaped) masses of very fine needle-shaped crystals. Ulexite has the unusual optical property of projecting an image of an object placed against a transverse section of it to the opposite surface. It is usually associated with borax deposits and is found in arid environments. Chemical formula: NaCaB5O9·8H2O.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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