单词 | yugawaralite |
释义 | yugawaraliten. Mineralogy. A hydrated aluminosilicate of calcium, CaAl2Si6O16.4H2O, that is a member of the zeolite group and occurs as colourless or white monoclinic crystals having a vitreous lustre. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > feldspathoid > zeolite > other zeolites analcime1803 mesotype1803 laumontite1805 heulandite1822 okenite1828 dysclasite1835 brewsterite1843 mordenite1864 syhedrite1865 analcite1868 offretite1891 stellerite1909 yugawaralite1952 wairakite1955 nekoite1956 1952 Sakurai & Hayashi in Sci. Rep. Yokohama Nat. Univ. Section II. i. 77 We can not identify this mineral with the other zeolites, and we may consider this to be a new zeolite. We wish to [call] it ‘Yugawaralite’ after its locality. 1969 Acta Cryst. B. XXV. 1190/1 It is difficult to place yugawaralite in any of the seven recognized groups of zeolites, although it shows certain similarities to both mordenite and heulandite. 1978 Mineral. Rec. 9 296/1 Yugawaralite, a relatively rare calcium zeolite,..has been found in specimens mined from the Khandivali quarry near Bombay, India. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019). < n.1952 |
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