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单词 darapskite
释义 darapskite, n. Min.
Brit. |ˈdarəpskʌɪt|, |dəˈrapskʌɪt|, U.S. |ˈdærəpˌskaɪt|, |dəˈræpˌskaɪt|
[‹ the name of Ludwig Darapsky (b. 1857), Chilean chemist and mineralogist + -ite suffix1, after German Darapskit (A. Dietze 1891, in Zeitschr. f. Kristallogr. u. Mineral. 19 447).]
A colourless or white mineral of the monoclinic crystal system which is a double nitrate and sulphate of sodium, Na3(NO3)(SO4)·H2O, occurring as prismatic and tabular crystals in nitrate and saline deposits.
1892Amer. Naturalist 26 249 Darapskite, lauterite, iodchromate.—Dietze describes several new minerals from the Pampas Lantaro in Chile.1939Amer. Mineralogist 24 635 Darapskite is found chiefly in veins..intimately mixed with kroehnkite and bloedite.1997Jrnl. Hazardous Materials 52 237 X-ray diffraction patterns..showed the characteristic patterns of halite, sodium nitrate, darapskite and unreacted Portland cement.
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