Shultz Mine, Tiger, Mammoth Mining District, Pinal County, Arizona, USA

Wulfenite. Specimen is from the collection of Harvard University #98399 (1972). Scale at bottom of image is an inch with a rule at one cm.

© Rock Currier

2.8 x 1.8 x 0.4 cm. The Mammoth District in Pinal County is rife with 108 valid minerals, including ten type localities, though it seems little-known outside of Arizona specialist collectors. Mined for gold, vanadium, and molybdenum, one of the most highly desired mineral species from here is the lead molybdate wulfenite. This exceptional crystal ...

© Rob Lavinsky & irocks.com

2.5 x 2.3 x 0.8 cm. Wulfenite, a lead molybdate, is one of the most highly desired mineral species from the Mammoth District, which has produced 108 valid minerals. This attractive cluster is classic for the location. The layered crystals have very good luster, a fiery yellow-orange color in the smaller crystals, and sharp, beveled edges. There ...

© Rob Lavinsky & irocks.com

Wulfenite from old Mammoth Mine (Shultz Mine). Note rich orange color with dark chocolate brown rimmed crystals typical of many earlier wulfenite specimens associated with the locality. Overall crystal cluster is 3.5cm wide.

© Dan Evanich