sylvanite

IPA: sˈɪɫvʌnaɪt

(mineralogy) Silver gold telluride, a soft metallic mineral ranging in color from steely gray to almost white.

Examples of "sylvanite" in Sentences

The most common mineral of tellurium is sylvanite.
He figgers this sylvanite lies under this porphyry reef, sabe?
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.
Experience counts a lot, of course, but I do know something about sylvanite, or white gold.
It combines with oxygen to form tellurite, and with gold and silver to form sylvanite (Au, Ag) Te2.
A small part of the world's supply is obtained from the gold-silver tellurides -- calaverite, sylvanite, krennerite, and petzite.
Then would come the prospectuses with these extracts of the best paragraphs, tied up with views of Casey Town, with engineers 'reports, with semi-scientific stuff about sylvanite, a masterpiece of romance and fiction, peppered with fact.
Offices of the Casey Town Mining Company with alluring specimens behind glass cases, with models of mining machinery and of sections of mines, framed maps and drawings, blue-prints, a chunk of sylvanite ore in a railed-off enclosure with the legend of its marvelous value.