Though it usually appears black or brown when produced with modern techniques, it is still called yellowcake.
Though it usually appears black or brown when produced with modern techniques, it is still called yellowcake. F10PE, identify the following about yellowcake.  A. Yellowcake is a concentrate of this element which is obtained through leach solutions. It is produced by grinding pitchblende or other ores and then leaching the element out with acidic, alkaline, or peroxide solutions.
Though it usually appears black or brown when produced with modern techniques, it is still called yellowcake.
Uranium