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单词 petzite
释义

petziten.

Brit. /ˈpɛtsʌɪt/, U.S. /ˈpɛtˌsaɪt/
Origin: A borrowing from German. Etymon: German Petzit.
Etymology: < German Petzit (W. Haidinger Handb. der bestimmenden Mineralogie (1845) 556), < the name of W. Petz , the chemist who analysed the mineral + -it -ite suffix1.
Mineralogy.
A rare mineral of the cubic crystal system consisting of a telluride of silver and gold with the approximate formula Ag3AuTe2, and occurring as metallic grey to black masses.
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the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > argentite group > silver telluride
hessite1849
petzite1849
telluric silver1855
empressite1914
1849 J. Nicol Man. Mineral. 477 The petzite of Haidinger is the same species.
1868 J. D. Dana Syst. Mineral. (ed. 5) 51 Petzite... Differs from hessite in gold replacing much of the silver... Color between steel-gray and iron-black, sometimes with pavonine tarnish.
1959 Amer. Mineralogist 44 695 Petzite is a compound with a definite silver-to-gold ratio.
1992 U.S. Geol. Surv. Bull. No. 1975. 163 The primary ore minerals include sphalerite, galena..and petzite.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1849
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