ulexite
enUKu·lex·ite
U0008000 (yo͞o′lĭk-sīt′, yo͞o-lĕk′-)ulexite
(ˈjuːlɛkˌsaɪt)u•lex•ite
(yuˈlɛk saɪt)n.
| 单词 | ulexite |
| 释义 | ulexiteenUKu·lex·iteU0008000 (yo͞o′lĭk-sīt′, yo͞o-lĕk′-)ulexite(ˈjuːlɛkˌsaɪt)u•lex•ite(yuˈlɛk saɪt)n. UlexiteenUKulexite[′ü·lek‚sīt]Ulexite(named after the German chemist G. L. Ulex [1811-83]), a mineral of the subclass of hydrous borates, NaCa[B509]-8H20. Ulexite crystallizes in the monoclinic system. It forms white compact masses of fine fibers or radiating aggre gates. It has a hardness of 1 on Mohs’ scale and a density of 1,650 kg/m3. Ulexite occurs as a supergene mineral in lake deposits and is a substitution product in argillaceous gypsum-bearing ores in salt domes. It is an ore of boron. Ulexite deposits are found at Inder (USSR) and in Nevada (USA). |
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