- a mineral, gold silver telluride, (AuAg)Te2, silver-white with metallic luster, often occurring in crystals so arranged as to resemble written characters: an ore of gold.
Origin of sylvanite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sylvanite
This side the exposed reef may have been ground down below the sylvanite.
But the strikes were rich because sylvanite is one of the richest of all gold ores.
He figgers this sylvanite lies under this porphyry reef, sabe?
He 'lows it's sylvanite, same as they have over to Boulder County in Colorado.
A small part of the world's supply is obtained from the gold-silver tellurides—calaverite, sylvanite, krennerite, and petzite.The Economic Aspect of Geology
C. K. Leith
- a silver-white mineral consisting of a telluride of gold and silver in the form of elongated striated crystals: a source of gold in Australia and North America. Formula: (Au,Ag)Te 2
C18: from (Tran) sylvan (ia) + -ite 1, with reference to the region where it was first found