Digenite
Origin: Benitoite Gem mine, San Benito Co., California, U.S.A.
Owner: Lou Perloff
Microscopic image
Origin: Butte, Silver Bow Co., Montana, U.S.A.
Owner: Lou Perloff
Microscopic image
Photo-Atlas
of Minerals
Rather dull dark crystals
Origin: Butte, Montana, USA
Sample size: 6 x 5 x 4 cm
Origin: Butte, Montana, United States
Sample size: 5.5 x 4.5 x 4 cm
Origin: Solarwind Claim, Delta, Thomas Range, Juab Co., Utah
Steward Mine, Butte, Montana, U.S.A.
Sample size: 7 x 5 x 2 cm
Origin: Butte, Montana, U.S.A.
Sample size: 7.5 x 4.5 x 3.5 cm
Digenite with
enargite
and
quartz.
The digenite is the dark, crudely crystallized mineral with a steel blue
tinge. The crystal at the lower right of the closeup is quite sharp for the
species. Additionally, the "blob" in the center shows wonderful growth
patterns on its underside. The
enargite
shows its typical prismatic, striated forms in the many gray lustrous
crystals. Some scattered, corroded
chalcopyrite is also present.
Origin: Leonard Mine, Butte, Silver Bow County, Montana, U.S.A.
Ex. Ed Rosenzweig collection
Sample size: 4.6 x 2.8 x 1.9 cm
John Veevaert, Trinity Mineral Co