Selenium
Origin: Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany
Picture size: 8 mm
Owner: Thomas Witzke
Origin: Ronneburg U deposit, Gera district, Thuringia, Germany
Picture size: specimen 3 cm (top), 5 mm (bottom)
Owner: Thomas Witzke
Origin: Burnside, Northumberland Co., Pennsylvania, U.S.A.
Owner: Lou Perloff
Microscopic image
Photo-Atlas
of Minerals
Probe mount with polished sections in epoxy containing selenium and
tellurium
Origin: El Plomo silver mine, Ojojona distr., Tegucigalpa,, Honduras
Sample size: 1.3 cm square
Black, acicular microcrystals to about 0.5 mm on very lime green radial
aggregates of
wavellite.
Origin: Willard Mine, Pershing Co., Nevada, United States
Ex. DeVito Collection
Sample size: 6 x 3 x 3 cm
Native selenium on sandstone matrix
Origin: Ambrose Lake, Grants, New Mexico, U.S.A.
Sample size: 6.5 x 4 x 6.3 cm
Origin: Homestake Mine #15, Grants, New Mexico, U.S.A.
Sample size: vial measuring 7.5 cm in length, 2.5 cm in diameter, this filled
about 3/4 with a black rich native selenium sand.