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单词 ulexite
释义

ulexite

/ˈjuːlɛksʌɪt /
noun [mass noun]
A mineral occurring on alkali flats as rounded masses of small white crystals. It is a hydrated borate of sodium and calcium.Boron never occurs as a free element, but always as a compound in minerals such as borax (sodium borate; Na 2 B 4 O 7), colemanite (calcium borate; Ca 2 B 6 O 11), and ulexite (sodium calcium borate; NaCaB 5 O 9)....
  • Those who went had five stops on the trip and collected celestine, ulexite, malachite, duftite, alunite, rosasite, barite, cerussite, smithsonite, and wulfenite.
  • In 1849 cottonball received the mineral name ulexite, for the German chemist Georg Ulex who first described its properties when he examined some specimens from Chile.

Origin

Mid 19th century: from George L. Ulex (died 1883), German chemist, + -ite1.

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更新时间:2024/12/23 0:12:53