sylvanite
noun
Forms sylvanites
- noun (mineralogy) Silver gold telluride, a soft metallic mineral ranging in color from steely gray to almost white.
Synonyms
Etymology
From sylvan + -ite, since it can be found in Transylvania.
Webster’s 1913
- noun A mineral, a telluride of gold and silver, of a steel-gray, silver-white, or brass-yellow color. It often occurs in implanted crystals resembling written characters, and hence is called graphic tellurium. [Written also silvanite.]
Etymology [So called from Transylvania, where it was first found.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “sylvanite”, CC BY-SA 4.0. Details