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RM1439   Weeksite and Carnotite

Anderson Mine, Date Creek Basin, Yavapai Co., Arizona, United States

Several radial aggregates of tabular flattened weeksite crystals, of intense yellow color and transparency. Some of these aggregates are covered by chalcedony. With dendritic pyrolusite. They are accompanied by orange aggregates of carnotite crystals. It is a uranium-vanadium mineralization in fine-grained sedimentary and volcanic rocks. Analyzed specimen.


Size: 6.8 x 6.0 x 4.0 cm.

Presents radioactive activity.
 
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