Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

Calaverite

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

A 3 mm crystal of Calaverite on quartz from the Last Dollar mine, Cripple Creek, Colorado, USA,. Specimen and photo: Knut Eldjarn.

© Knut Eldjarn

Calaverite, Hessite, Petzite

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

View under crossed polars of a complex aggregate of tellurides filling a cavity in quartz (hexagonal cross sections). Hessite (hs), exhibiting orange to slate blue anisotropy, fills in around platy calaverite (clv) exhibiting yellowish to gray anisotropy. Areas with a brownish tinge suggest krennerite, however a distinct yellow color and uniform ...

© Ben Schumer

Sylvanite

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

Sylvanite in quartz. FOV 1.5mm. Associated minerals, not in the photograph, include, fluorite and pyrite. Label from Dr. Wilke (Germany). Brent Thorne specimen and photograph.

© Brent Thorne 2015

View of the Cripple Creek gold mining area, in 1909.

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

The Last Dollar gold Mine, Cripple Creek, in 1909. Vintage real photo postcard, photographer H. & H., Cripple Creek. The card was sent on 28 December, 11.30 AM, 1911 from Cripple Creek to Naumburg a. Saale, Germany. G. Grundmann collection.

© H. & H., Cripple Creek

View of the Cripple Creek tellurium-gold-silver mining area, ca. 1905.

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

The Last Dollar Mine, Bull Hill, ca. 1905. Vintage picture postcard, published by W. A. Loper, Cripple Creek, Colo. G. Grundmann collection.

© W. A. Loper, Cripple Creek, Colo.

Calaverite

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

A 3 mm crystal of Calaverite on quartz from the Last Dollar mine, Cripple Creek, Colorado, USA,. Specimen and photo: Knut Eldjarn.

© Knut Eldjarn

Calaverite, Hessite, Petzite

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

View under crossed polars of a complex aggregate of tellurides filling a cavity in quartz (hexagonal cross sections). Hessite (hs), exhibiting orange to slate blue anisotropy, fills in around platy calaverite (clv) exhibiting yellowish to gray anisotropy. Areas with a brownish tinge suggest krennerite, however a distinct yellow color and uniform ...

© Ben Schumer

Sylvanite

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

Sylvanite in quartz. FOV 1.5mm. Associated minerals, not in the photograph, include, fluorite and pyrite. Label from Dr. Wilke (Germany). Brent Thorne specimen and photograph.

© Brent Thorne 2015

View of the Cripple Creek gold mining area, in 1909.

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

The Last Dollar gold Mine, Cripple Creek, in 1909. Vintage real photo postcard, photographer H. & H., Cripple Creek. The card was sent on 28 December, 11.30 AM, 1911 from Cripple Creek to Naumburg a. Saale, Germany. G. Grundmann collection.

© H. & H., Cripple Creek

View of the Cripple Creek tellurium-gold-silver mining area, ca. 1905.

Last Dollar Mine, Cripple Creek Mining District, Teller Co., Colorado, USA

The Last Dollar Mine, Bull Hill, ca. 1905. Vintage picture postcard, published by W. A. Loper, Cripple Creek, Colo. G. Grundmann collection.

© W. A. Loper, Cripple Creek, Colo.