| 释义 |
Definition of ulexite in English: ulexitenoun ˈjuːlɛksʌɪtyo͞oˈlekˌsīt mass nounA mineral occurring on alkali flats as rounded masses of small white crystals. It is a hydrated borate of sodium and calcium. Example sentencesExamples - Those who went had five stops on the trip and collected celestine, ulexite, malachite, duftite, alunite, rosasite, barite, cerussite, smithsonite, and wulfenite.
- 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).
- 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.
- Ulexite, like other borates, is a structurally complex mineral.
- It also promised economies of scale that would render marsh mining of ulexite obsolete.
Origin Mid 19th century: from George L. Ulex (died 1883), German chemist, + -ite1. Definition of ulexite in US English: ulexitenounyo͞oˈlekˌsīt A mineral occurring on alkali flats as rounded masses of small white crystals. It is a hydrated borate of sodium and calcium. Example sentencesExamples - Ulexite, like other borates, is a structurally complex mineral.
- 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).
- 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.
- Those who went had five stops on the trip and collected celestine, ulexite, malachite, duftite, alunite, rosasite, barite, cerussite, smithsonite, and wulfenite.
- It also promised economies of scale that would render marsh mining of ulexite obsolete.
Origin Mid 19th century: from George L. Ulex (died 1883), German chemist, + -ite. |