单词 | altaite |
释义 | altaiten. Mineralogy. A rare mineral consisting of lead telluride, typically occurring in massive aggregates of yellow-tinted tin-white metallic crystals.Chemical formula: PbTe. Crystal system: cubic. ΘΚΠ the world > the earth > minerals > types of mineral > other miscellaneous minerals > [noun] > containing tellurium or olivine olivine1794 tellurium1804 altaite1849 melonite1867 coloradoite1877 1849 J. Nicol Man. Mineral. ii. 476 Altaite, Haidinger; Tellurblei, G. Rose; Hexahedral Tellurium, Mohs. 1875 W. C. Kerr Rep. Geol. Surv. N. Carolina I. 286 The gold..is associated..also with the very rare tellurides of lead, altaite, and with nagyaite, a telluride of gold and lead. 1972 R. Galopin & N. F. M. Henry Microsc. Study Opaque Minerals v. 107/2 Linnaeite, Sphalerite, Altaite, Cobaltite, Gersdorfitte, and the Carbonates sometimes show a triple cleavage and often a double cleavage. 1998 R. E. Krebs Hist. & Use Earth's Chem. Elements vii. 189 Tellurium..is recovered from ores of other elements, such as sylvanite.., altaite, coloradoite, and silver and gold tellurides. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1849 |
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