Found 2 items, similar to sylvanite.
English → English (WordNet) Definition: sylvanite sylvanite n : a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America [syn: graphic tellurium ]
English → English (gcide) Definition: Sylvanite 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.]