noun
also sil·van·ite ˈsilvəˌnīt
( -s )
Etymology: French sylvanite, from sylvane sylvanite (from Transylvania, its locality) + -ite
: a mineral (Au,Ag)Te 2 consisting of a gold silver telluride, having a steel gray, silver white, or brass yellow color, and often occurring in implanted crystals resembling written characters (hardness 1.5-2 specific gravity 7.9-8.3) — called also graphic tellurium
• syl·van·it·ic | ̷ ̷ ̷ ̷|nid.ik adjective