Weeksite

Origin: Anderson mine, Yavapai Co., Arizona, U.S.A.

Owner: Lou Perloff

Microscopic image

 

Origin: Autunite #8 claim, Topaz Mt., Juab Co., Utah, U.S.A.

Owner: Lou Perloff

Microscopic image

 

Photo courtesy of: 

Photo-Atlas of Minerals

  

Origin: near Rossing, Namibia

Sample size: 4.5 x 3 x 2 cm

 

  

Weeksite with andersonite. Andersonite is bright green fluorescent under UV and occurs as a finer powder around and usually coating the weeksite. The two minerals are barely distinguishable by colour. The weeksite is bit more of an opaque canary colour, the andersonite is a softly, fainter yellow.

Origin: United States, probably Thomas Range from Utah

Sample size: 4 x 4 x 1.5 cm

 

  

 

  

 

  

 

  

Weekside with minor andersonite

  

Origin: Anderson mine, Yavapai Co., Arizona, United States
Ex. DeVito Collection

Sample size: 4 x 3 x 1 cm (top), 8 x 5 x 3 cm (2nd row), 8 x 5 x 4 cm (3rd row), 7 x 6 x 2 cm (4th row), 2.5 x 2 x 0.8 cm (5th/bottom row)

 

Glassy spherulites to 0.75 mm in large vug with boltwoodite. Photo shows shows acicular forms of boltwoodite, the weeksite is near the base of the boltwoodite and also occurs deeper within the vug.

Origin: Rössing Mine, Arandis, Swakopmund District, Namibia

Sample size: 5 x 3 x 2 cm

 

Photo courtesy of: 

  

Photo courtesy of: