单词 | empressite |
释义 | empressiten. Mineralogy. A rare mineral consisting of silver telluride, typically occurring as small bronze-coloured crystals.Chemical formula: AgTe. Crystal system: orthorhombic. ΘΚΠ the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > argentite group > silver telluride hessite1849 petzite1849 telluric silver1855 empressite1914 1914 W. M. Bradley in Amer. Jrnl. Sci. 188 164 Some years ago, what appeared to be a new mineral was found in the Empress-Josephine Mine in the Kerber Creek District of Colorado by Professor R. D. George of the University of Colorado... The name empressite has been given to it by Professor George. 1964 Amer. Mineralogist 49 326 Bradley's original composition of AgTe was correct, and it is proposed that the name empressite be retained for this material. 2011 W. L. Pohl Econ. Geol. ii. 221/2 Telluride minerals of silver including hessite (Ag2Te) and empressite (AgTe) are not a relevant source of the metal. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < n.1914 |
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