Sylvanite Gold silver telluride (Au,Ag)2Te4

Sylvanite in the East Region No notable occurrences in database yet. Sylvanite in the Front Range Region Boulder County - Gold Hill area Sylvanite in the Northwest Region No notable occurrences in database yet. Sylvanite in the South Central Region Teller County - Ajax Mine - Cresson Mine - Cripple Creek area Sylvanite in the Southwest Region La Plata County - La Plata Mountain mines

Bright crystals of sylvanite on matrix from the Cresson Mine near Cripple Creek. Measures 2.5 x 1.4 cm. Photo courtesy of The Mineral Gallery. Most sylvanite specimens you will see from this location are simply massive ore samples, but this one has free standing crystals on drusy quartz. It is very difficult to distinguish between sylvanite, calaverite and krennerite by sight, so this one was x-rayed to make sure. From the Cripple Creek area in Teller County. Measures 5 x 6.5 cm. Photo courtesy of Dave Bunk Minerals. Plate of drusy purple fluorite and crystals of sylvanite. From the Ajax Mine in Cripple Creek. Measures 10 x 6 cm. Photo courtesy of The Mineral Gallery.

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