单词 | hügelite |
释义 | hügeliten. Mineralogy. A yellow or brown mineral originally described as a hydrated vanadate of lead and zinc but later shown to be a hydrated arsenate of lead and uranium. ΘΚΠ the world > the earth > minerals > types of mineral > arsenates > [noun] > uranium arsenates trögerite1872 walpurgite1872 zeunerite1873 hügelite1914 nováčekite1951 1914 Chem. Abstr. 8 310 The name hügelite is suggested for the vanadate previously described. 1916 Mineral Mag. 17 352 Hügelite... A hydrated vanadate of lead and zinc occurring as yellow monoclinic needles on corroded galena at Reichenbach, Baden. 1962 Amer. Mineralogist 47 418 Hügelite was described by Dürrfeld (1913) as a hydrous lead zinc vanadate... Transparent to translucent crystals are brown to orange-yellow... Microchemical tests showed Pb, U and As as main components, but no Zn, V or P... The formula is proposed as Pb2(UO2)3(AsO4)2(OH)4.3H2O. This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018). < n.1914 |
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