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sylvanite 針碲金銀礦 針碲金銀礦 sylvanite n 1: a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America [synonym: {sylvanite}, {graphic tellurium}] Sylvanite \Syl"van*ite\, n. [Fr. Transylvania, where first
found.] (Min.) A telluride of gold and silver, {(Au, Ag)Te2}, of a steel gray, silver white, or brass yellow. It often occurs in implanted crystals resembling written characters, and hence is called {graphic tellurium}. H., 1.5-2. Sp.gr., 7.9-8.3. [Webster 1913 Suppl.]
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